diff --git a/src/mlir/writer.rs b/src/mlir/writer.rs
index 56845573d..7c1b985a1 100644
--- a/src/mlir/writer.rs
+++ b/src/mlir/writer.rs
@@ -137,8 +137,8 @@ impl std::fmt::Display for MLIROpcode {
                 Opcode::Halt => "llhd.halt",
                 Opcode::Ret => "return",
                 Opcode::RetValue => "return",
-                Opcode::Br => "br",
-                Opcode::BrCond => "cond_br",
+                Opcode::Br => "cf.br",
+                Opcode::BrCond => "cf.cond_br",
                 Opcode::Wait => "llhd.wait",
                 Opcode::WaitTime => "llhd.wait",
                 _ => panic!("No single corresponding op in CIRCT!"),
@@ -273,7 +273,7 @@ impl<T: Write> Writer<T> {
         if data.kind() != UnitKind::Entity {
             if let Some(block) = data.first_block() {
                 write!(uw.writer.sink, "    ")?;
-                write!(uw.writer.sink, "br ")?;
+                write!(uw.writer.sink, "cf.br ")?;
                 uw.write_block_name(block, block_args.get(&block).unwrap_or(&Vec::new()))?;
                 write!(uw.writer.sink, "\n")?;
             }
diff --git a/tests/mlir/from_moore.llhd b/tests/mlir/from_moore.llhd
new file mode 100644
index 000000000..46a583c34
--- /dev/null
+++ b/tests/mlir/from_moore.llhd
@@ -0,0 +1,13 @@
+; RUN: llhd-conv -i %s --output-format mlir
+
+proc %foo.initial.15.0 () -> (i32$ %x) {
+0:
+    %1 = const i32 42
+    %2 = const time 0s 1e
+    drv i32$ %x, %1, %2
+    halt
+}
+
+entity @foo () -> (i32$ %x) {
+    inst %foo.initial.15.0 () -> (i32$ %x)
+}