diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 56b9993..6d6c8c6 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -37,11 +37,9 @@ jobs:
       - name: Install llvm
         run: |
           if ! command -v llvm-dlltool >/dev/null 2>&1; then
-            if [ ! -d "~/.apt" ]; then
-              mkdir ~/.apt
-            fi
-            sudo apt -o Dir::Cache=".apt" update
-            sudo apt -o Dir::Cache=".apt" install -y llvm
+            mkdir -p ~/.apt
+            sudo apt -o Dir::Cache="~/.apt" update
+            sudo apt -o Dir::Cache="~/.apt" install -y llvm
           fi
         shell: bash