diff --git a/.github/workflows/cts_ci.yml b/.github/workflows/cts_ci.yml
index 78df949d6..0f59a12f5 100644
--- a/.github/workflows/cts_ci.yml
+++ b/.github/workflows/cts_ci.yml
@@ -156,13 +156,9 @@ jobs:
           echo "CCACHE_DIR=~/.ccache" >> "$GITHUB_ENV"
       - name: Build 'oclmath'
         working-directory: ${{ env.container-workspace }}/build
-        run: cmake --build . --target oclmath
+        run: cmake --build . --target oclmath --verbose
       - name: Debug ccache
-        run: |
-            echo "$CCACHE_DEPEND"
-            echo "$CCACHE_DIR"
-            ls -la ~/.ccache || true
-            ls -la ~/.cache
+        run: grep "LAUNCHER" CMakeCache.txt
       - name: Build 'util'
         working-directory: ${{ env.container-workspace }}/build
         run: cmake --build . --target util