diff --git a/patches/0001-m4-Disable-chained-fixups-for-macOS.patch b/patches/0001-m4-Disable-chained-fixups-for-macOS.patch
index d32616c..bc0fe56 100644
--- a/patches/0001-m4-Disable-chained-fixups-for-macOS.patch
+++ b/patches/0001-m4-Disable-chained-fixups-for-macOS.patch
@@ -51,11 +51,11 @@ index 1187330a..7f8ac371 100644
 +      macos_version=`sw_vers -productVersion`
 +      echo "\$macos_version: $macos_version"
 +      case $macos_version in
-+        11.[3-7]*|1[2-4]*)
++        11.[[3-7]]*|1[[2-4]]*)
 +          xcode_version=`pkgutil --pkg-info=com.apple.pkg.CLTools_Executables`
 +          echo "\$xcode_version: $xcode_version"
 +          case $xcode_version in
-+            1[3-5]*)
++            1[[3-5]]*)
 +              _lt_dar_allow_undefined='$wl-undefined ${wl}dynamic_lookup -no_fixup_chains' ;;
 +            *)
 +            ;;