diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 0379c4d67..fbe80c187 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -152,7 +152,7 @@ jobs:
           tar --strip-components=1 -xf cppcheck.tar.gz
           mkdir build
           cd build
-          cmake .. -DHAVE_RULES=ON -DUSE_MATCHCOMPILER=ON
+          cmake .. -DHAVE_RULES=On -DUSE_MATCHCOMPILER=On
           cmake --build .
 
       - name: Build Geany