diff --git a/src/Moq.Analyzers/SquiggleCop.Baseline.yaml b/src/Moq.Analyzers/SquiggleCop.Baseline.yaml
index b2eac85e..5680b16b 100644
--- a/src/Moq.Analyzers/SquiggleCop.Baseline.yaml
+++ b/src/Moq.Analyzers/SquiggleCop.Baseline.yaml
@@ -601,6 +601,7 @@
 - {Id: MA0161, Title: UseShellExecute must be explicitly set, Category: Usage, DefaultSeverity: Note, IsEnabledByDefault: false, EffectiveSeverities: [None], IsEverSuppressed: false}
 - {Id: MA0162, Title: Use Process.Start overload with ProcessStartInfo, Category: Usage, DefaultSeverity: Note, IsEnabledByDefault: false, EffectiveSeverities: [None], IsEverSuppressed: false}
 - {Id: MA0163, Title: UseShellExecute must be false when redirecting standard input or output, Category: Usage, DefaultSeverity: Warning, IsEnabledByDefault: true, EffectiveSeverities: [Error], IsEverSuppressed: false}
+- {Id: MA0164, Title: Use parentheses to make not pattern clearer, Category: Style, DefaultSeverity: Warning, IsEnabledByDefault: true, EffectiveSeverities: [Error], IsEverSuppressed: false}
 - {Id: POLYSP0003, Title: Unsupported C# language version, Category: Microsoft.CodeAnalysis.CSharp.CSharpParseOptions, DefaultSeverity: Warning, IsEnabledByDefault: true, EffectiveSeverities: [Error], IsEverSuppressed: false}
 - {Id: RCS1001, Title: Add braces (when expression spans over multiple lines), Category: Roslynator, DefaultSeverity: Note, IsEnabledByDefault: true, EffectiveSeverities: [Note], IsEverSuppressed: false}
 - {Id: RCS1002, Title: Remove braces, Category: Roslynator, DefaultSeverity: Note, IsEnabledByDefault: false, EffectiveSeverities: [None], IsEverSuppressed: false}
diff --git a/src/Moq.CodeFixes/SquiggleCop.Baseline.yaml b/src/Moq.CodeFixes/SquiggleCop.Baseline.yaml
index 37dbca0e..5a9f519a 100644
--- a/src/Moq.CodeFixes/SquiggleCop.Baseline.yaml
+++ b/src/Moq.CodeFixes/SquiggleCop.Baseline.yaml
@@ -601,6 +601,7 @@
 - {Id: MA0161, Title: UseShellExecute must be explicitly set, Category: Usage, DefaultSeverity: Note, IsEnabledByDefault: false, EffectiveSeverities: [None], IsEverSuppressed: false}
 - {Id: MA0162, Title: Use Process.Start overload with ProcessStartInfo, Category: Usage, DefaultSeverity: Note, IsEnabledByDefault: false, EffectiveSeverities: [None], IsEverSuppressed: false}
 - {Id: MA0163, Title: UseShellExecute must be false when redirecting standard input or output, Category: Usage, DefaultSeverity: Warning, IsEnabledByDefault: true, EffectiveSeverities: [Error], IsEverSuppressed: false}
+- {Id: MA0164, Title: Use parentheses to make not pattern clearer, Category: Style, DefaultSeverity: Warning, IsEnabledByDefault: true, EffectiveSeverities: [Error], IsEverSuppressed: false}
 - {Id: POLYSP0003, Title: Unsupported C# language version, Category: Microsoft.CodeAnalysis.CSharp.CSharpParseOptions, DefaultSeverity: Warning, IsEnabledByDefault: true, EffectiveSeverities: [Error], IsEverSuppressed: false}
 - {Id: RCS1001, Title: Add braces (when expression spans over multiple lines), Category: Roslynator, DefaultSeverity: Note, IsEnabledByDefault: true, EffectiveSeverities: [Note], IsEverSuppressed: false}
 - {Id: RCS1002, Title: Remove braces, Category: Roslynator, DefaultSeverity: Note, IsEnabledByDefault: false, EffectiveSeverities: [None], IsEverSuppressed: false}
diff --git a/src/tools/PerfDiff/SquiggleCop.Baseline.yaml b/src/tools/PerfDiff/SquiggleCop.Baseline.yaml
index 38fc828b..abcc5aec 100644
--- a/src/tools/PerfDiff/SquiggleCop.Baseline.yaml
+++ b/src/tools/PerfDiff/SquiggleCop.Baseline.yaml
@@ -600,6 +600,7 @@
 - {Id: MA0161, Title: UseShellExecute must be explicitly set, Category: Usage, DefaultSeverity: Note, IsEnabledByDefault: false, EffectiveSeverities: [None], IsEverSuppressed: false}
 - {Id: MA0162, Title: Use Process.Start overload with ProcessStartInfo, Category: Usage, DefaultSeverity: Note, IsEnabledByDefault: false, EffectiveSeverities: [None], IsEverSuppressed: false}
 - {Id: MA0163, Title: UseShellExecute must be false when redirecting standard input or output, Category: Usage, DefaultSeverity: Warning, IsEnabledByDefault: true, EffectiveSeverities: [Error], IsEverSuppressed: false}
+- {Id: MA0164, Title: Use parentheses to make not pattern clearer, Category: Style, DefaultSeverity: Warning, IsEnabledByDefault: true, EffectiveSeverities: [Error], IsEverSuppressed: false}
 - {Id: POLYSP0003, Title: Unsupported C# language version, Category: Microsoft.CodeAnalysis.CSharp.CSharpParseOptions, DefaultSeverity: Warning, IsEnabledByDefault: true, EffectiveSeverities: [Error], IsEverSuppressed: false}
 - {Id: RCS1001, Title: Add braces (when expression spans over multiple lines), Category: Roslynator, DefaultSeverity: Note, IsEnabledByDefault: true, EffectiveSeverities: [Note], IsEverSuppressed: false}
 - {Id: RCS1002, Title: Remove braces, Category: Roslynator, DefaultSeverity: Note, IsEnabledByDefault: false, EffectiveSeverities: [None], IsEverSuppressed: false}
diff --git a/tests/Moq.Analyzers.Benchmarks/SquiggleCop.Baseline.yaml b/tests/Moq.Analyzers.Benchmarks/SquiggleCop.Baseline.yaml
index c306b0cc..1df5f57c 100644
--- a/tests/Moq.Analyzers.Benchmarks/SquiggleCop.Baseline.yaml
+++ b/tests/Moq.Analyzers.Benchmarks/SquiggleCop.Baseline.yaml
@@ -602,6 +602,7 @@
 - {Id: MA0161, Title: UseShellExecute must be explicitly set, Category: Usage, DefaultSeverity: Note, IsEnabledByDefault: false, EffectiveSeverities: [None], IsEverSuppressed: false}
 - {Id: MA0162, Title: Use Process.Start overload with ProcessStartInfo, Category: Usage, DefaultSeverity: Note, IsEnabledByDefault: false, EffectiveSeverities: [None], IsEverSuppressed: false}
 - {Id: MA0163, Title: UseShellExecute must be false when redirecting standard input or output, Category: Usage, DefaultSeverity: Warning, IsEnabledByDefault: true, EffectiveSeverities: [Error], IsEverSuppressed: false}
+- {Id: MA0164, Title: Use parentheses to make not pattern clearer, Category: Style, DefaultSeverity: Warning, IsEnabledByDefault: true, EffectiveSeverities: [Error], IsEverSuppressed: false}
 - {Id: POLYSP0003, Title: Unsupported C# language version, Category: Microsoft.CodeAnalysis.CSharp.CSharpParseOptions, DefaultSeverity: Warning, IsEnabledByDefault: true, EffectiveSeverities: [Error], IsEverSuppressed: false}
 - {Id: RCS1001, Title: Add braces (when expression spans over multiple lines), Category: Roslynator, DefaultSeverity: Note, IsEnabledByDefault: true, EffectiveSeverities: [Note], IsEverSuppressed: false}
 - {Id: RCS1002, Title: Remove braces, Category: Roslynator, DefaultSeverity: Note, IsEnabledByDefault: false, EffectiveSeverities: [None], IsEverSuppressed: false}
diff --git a/tests/Moq.Analyzers.Test.Analyzers/SquiggleCop.Baseline.yaml b/tests/Moq.Analyzers.Test.Analyzers/SquiggleCop.Baseline.yaml
index ac0d23aa..43d04a53 100644
--- a/tests/Moq.Analyzers.Test.Analyzers/SquiggleCop.Baseline.yaml
+++ b/tests/Moq.Analyzers.Test.Analyzers/SquiggleCop.Baseline.yaml
@@ -600,6 +600,7 @@
 - {Id: MA0161, Title: UseShellExecute must be explicitly set, Category: Usage, DefaultSeverity: Note, IsEnabledByDefault: false, EffectiveSeverities: [None], IsEverSuppressed: false}
 - {Id: MA0162, Title: Use Process.Start overload with ProcessStartInfo, Category: Usage, DefaultSeverity: Note, IsEnabledByDefault: false, EffectiveSeverities: [None], IsEverSuppressed: false}
 - {Id: MA0163, Title: UseShellExecute must be false when redirecting standard input or output, Category: Usage, DefaultSeverity: Warning, IsEnabledByDefault: true, EffectiveSeverities: [Error], IsEverSuppressed: false}
+- {Id: MA0164, Title: Use parentheses to make not pattern clearer, Category: Style, DefaultSeverity: Warning, IsEnabledByDefault: true, EffectiveSeverities: [Error], IsEverSuppressed: false}
 - {Id: POLYSP0003, Title: Unsupported C# language version, Category: Microsoft.CodeAnalysis.CSharp.CSharpParseOptions, DefaultSeverity: Warning, IsEnabledByDefault: true, EffectiveSeverities: [Error], IsEverSuppressed: false}
 - {Id: RCS1001, Title: Add braces (when expression spans over multiple lines), Category: Roslynator, DefaultSeverity: Note, IsEnabledByDefault: true, EffectiveSeverities: [Note], IsEverSuppressed: false}
 - {Id: RCS1002, Title: Remove braces, Category: Roslynator, DefaultSeverity: Note, IsEnabledByDefault: false, EffectiveSeverities: [None], IsEverSuppressed: false}
diff --git a/tests/Moq.Analyzers.Test/SquiggleCop.Baseline.yaml b/tests/Moq.Analyzers.Test/SquiggleCop.Baseline.yaml
index 2ff5d0af..db19226d 100644
--- a/tests/Moq.Analyzers.Test/SquiggleCop.Baseline.yaml
+++ b/tests/Moq.Analyzers.Test/SquiggleCop.Baseline.yaml
@@ -601,6 +601,7 @@
 - {Id: MA0161, Title: UseShellExecute must be explicitly set, Category: Usage, DefaultSeverity: Note, IsEnabledByDefault: false, EffectiveSeverities: [None], IsEverSuppressed: false}
 - {Id: MA0162, Title: Use Process.Start overload with ProcessStartInfo, Category: Usage, DefaultSeverity: Note, IsEnabledByDefault: false, EffectiveSeverities: [None], IsEverSuppressed: false}
 - {Id: MA0163, Title: UseShellExecute must be false when redirecting standard input or output, Category: Usage, DefaultSeverity: Warning, IsEnabledByDefault: true, EffectiveSeverities: [Error], IsEverSuppressed: false}
+- {Id: MA0164, Title: Use parentheses to make not pattern clearer, Category: Style, DefaultSeverity: Warning, IsEnabledByDefault: true, EffectiveSeverities: [Error], IsEverSuppressed: false}
 - {Id: POLYSP0003, Title: Unsupported C# language version, Category: Microsoft.CodeAnalysis.CSharp.CSharpParseOptions, DefaultSeverity: Warning, IsEnabledByDefault: true, EffectiveSeverities: [Error], IsEverSuppressed: false}
 - {Id: RCS1001, Title: Add braces (when expression spans over multiple lines), Category: Roslynator, DefaultSeverity: Note, IsEnabledByDefault: true, EffectiveSeverities: [Note], IsEverSuppressed: false}
 - {Id: RCS1002, Title: Remove braces, Category: Roslynator, DefaultSeverity: Note, IsEnabledByDefault: false, EffectiveSeverities: [None], IsEverSuppressed: false}