diff --git a/samples/native-stack-overflow/clean.sh b/samples/native-stack-overflow/clean.sh
index 5eba9bc37..54c0325bb 100755
--- a/samples/native-stack-overflow/clean.sh
+++ b/samples/native-stack-overflow/clean.sh
@@ -1 +1 @@
-rm -r cmake_build cmake_build_disable_hw_bound out
+rm -rf cmake_build cmake_build_disable_hw_bound out