diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index ce332e7de9..971116c1f8 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -24,7 +24,7 @@ jobs:
       - name: Generate Makefile
         run: |
           export CC=`which clang` CXX=`which clang++`
-          cmake -G Ninja -B ./build -DCMAKE_BUILD_TYPE=${{ inputs.build_type }}${{ inputs.sanitize && ' -DSANITIZE=' + inputs.sanitize || '' }}
+          cmake -G Ninja -B ./build -DCMAKE_BUILD_TYPE=${{ inputs.build_type }} ${{ inputs.sanitize && format(' -DSANITIZE={0}', inputs.sanitize) || '' }}
 
       - name: Build
         working-directory: ${{ github.workspace }}/build