diff --git a/tests/fate.sh b/tests/fate.sh
index 617a726d95..e04c8710d7 100755
--- a/tests/fate.sh
+++ b/tests/fate.sh
@@ -70,7 +70,7 @@ fate()(
 )
 
 clean(){
-    rm -r ${build} ${inst}
+    rm -rf ${build} ${inst}
 }
 
 report(){