diff --git a/scripts/build-macos.sh b/scripts/build-macos.sh
index ecc29cc..309717d 100644
--- a/scripts/build-macos.sh
+++ b/scripts/build-macos.sh
@@ -8,5 +8,7 @@ xcodebuild -project ClaudeChecker.xcodeproj -scheme ClaudeChecker \
   -configuration Release -derivedDataPath build \
   ARCHS="arm64 x86_64" ONLY_ACTIVE_ARCH=NO CODE_SIGN_IDENTITY=- clean build
 codesign --verify --deep --strict build/Build/Products/Release/ClaudeChecker.app
-lipo build/Build/Products/Release/ClaudeChecker.app/Contents/MacOS/ClaudeChecker -verify_arch arm64 x86_64
+for arch in arm64 x86_64; do
+  lipo build/Build/Products/Release/ClaudeChecker.app/Contents/MacOS/ClaudeChecker -verify_arch "$arch"
+done
 ditto -c -k --keepParent build/Build/Products/Release/ClaudeChecker.app ClaudeChecker.zip