diff --git a/.github/workflows/linux-build.yml b/.github/workflows/linux-build.yml
index 848d804..ba6655f 100644
--- a/.github/workflows/linux-build.yml
+++ b/.github/workflows/linux-build.yml
@@ -57,7 +57,7 @@ jobs:
       run: cmake -B ${{github.workspace}}/build \
         -DBUILD_DOCS=OFF \
         -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}} \
-        -DCMAKE_PREFIX_PATH="${{env.DRUMSTICK_LOCATION}};${{env.UCHARDET_LOCATION}}"
+        -DCMAKE_PREFIX_PATH:STRING="${{env.DRUMSTICK_LOCATION}};${{env.UCHARDET_LOCATION}}"
 
     - name: Build
       run: cmake --build ${{github.workspace}}/build --config ${{env.BUILD_TYPE}}