diff --git a/third_party_build/wasm_make_raylib.sh b/third_party_build/wasm_make_raylib.sh
index 1173e87..35d1a78 100755
--- a/third_party_build/wasm_make_raylib.sh
+++ b/third_party_build/wasm_make_raylib.sh
@@ -57,7 +57,7 @@ fi
 
 # Validate and set up Raylib git clone
 
-if ! [[ -d "$CLONE_DIR" ]]; then
+if ! [[ -d "$CLONE_DIR" ]] || ! [[ -d "$CLONE_DIR/.git" ]]; then
     if ! git clone --depth 1 --no-single-branch "$RAYLIB_GIT_URL" "$CLONE_DIR"; then
         echo "ERROR: Failed to clone Raylib into \"$CLONE_DIR\"!"
         exit 4