diff --git a/lib/tests.sh b/lib/tests.sh
index b680ebf..89f8d1f 100644
--- a/lib/tests.sh
+++ b/lib/tests.sh
@@ -375,7 +375,7 @@ TEST_UPGRADE () {
         local ret=$?
 
         # Then replace the backup
-        rm -r "$package_path"
+        rm -rf "$package_path"
         mv "${package_path}_back" "$package_path"
     fi