diff --git a/build-ios.sh b/build-ios.sh
index 70802c1c0..1fc411a7c 100755
--- a/build-ios.sh
+++ b/build-ios.sh
@@ -25,7 +25,7 @@ elif [ "$1" == "debug" ]; then
 fi
 
 # Set Architecture: arm64, arm64e or x86_64
-IOS_ARCH="x86_64"
+IOS_ARCH=$(/usr/bin/uname -m)
 if [ "$1" == "arm64" ]; then
   IOS_ARCH="arm64"
   shift
diff --git a/build.sh b/build.sh
index 6b9886688..fa52705c6 100755
--- a/build.sh
+++ b/build.sh
@@ -80,8 +80,8 @@ elif [ "$PARAM1" == "x86_64" ] || [ "$PARAM2" == "x86_64" ] || [ "$PARAM3" == "x
   echo "MAC_ARCH = x86_64"
   shift
 else
-  MAC_ARCH="x86_64"
-  echo "Assuming default MAC_ARCH = x86_64"
+  MAC_ARCH=$(/usr/bin/uname -m)
+  echo "Using current machine MAC_ARCH = $MAC_ARCH"
 fi
 
 CUSTOM_CMAKE_CXX_FLAG=""