diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ed9ccf18..036e2c3e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -224,7 +224,7 @@ jobs:
           if [[ "${os}" == "macos"* ]]; then
             PROJECTS=clang
           else
-            PROJECTS='clang;openmp'
+            PROJECTS='"clang;openmp"'
           fi
           cmake -DLLVM_ENABLE_PROJECTS=$projects              \
                 -DLLVM_EXTERNAL_PROJECTS=cling                \