diff --git a/Jenkinsfile b/Jenkinsfile
index 91d4955f37170b397a84982f5cd4e4e12a7e9fa5..e7603b578bf2c7718e67fbd9fda1674db49c07c0 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -46,7 +46,7 @@ def pre_test(){
     git fetch origin +refs/pull/${CHANGE_ID}/merge
     git checkout -qf FETCH_HEAD
     git --no-pager diff --name-only FETCH_HEAD $(git merge-base FETCH_HEAD develop)|grep -v -E '.*md|//src//connector|Jenkinsfile' || exit 0
-    find ${WKC}/tests/pytest -name '*'.sql -exec rm -rf {} \;
+    find ${WKC}/tests/pytest -name \'*\'.sql -exec rm -rf {} \\;
     cd ${WK}
     git reset --hard HEAD~10
     git checkout develop