diff --git a/.github/workflows/ci_sanitizer.yml b/.github/workflows/ci_sanitizer.yml
index c2a4803a..af20c5da 100644
--- a/.github/workflows/ci_sanitizer.yml
+++ b/.github/workflows/ci_sanitizer.yml
@@ -80,7 +80,7 @@ jobs:
           compiler: ${{ matrix.compiler }}
 
       - name: Patch M1 GCC
-        if: contains(matrix.compiler, 'gcc') && matrix.compiler != 'gcc-14'
+        if: contains(matrix.os, 'macos') && contains(matrix.compiler, 'gcc') && matrix.compiler != 'gcc-14'
         uses: seqan/actions/patch-m1-gcc@main
         with:
           compiler: ${{ matrix.compiler }}