diff --git a/.gitignore b/.gitignore
index 8a1c7c2..dd6ad47 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 # .gitignore for cd_apache
 .yardoc
 Gemfile.lock
+FileList
diff --git a/Jenkinsfile b/Jenkinsfile
index 15c4a35..a2bddc6 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -184,7 +184,8 @@ Changelog of Git Changelog.
       stage('check for UTF-8 files') {
         steps {
           sh '''echo "$(find . -type f -exec file {} \\;)" > FileList
-            grep -v ASCII FileList | grep -v git'''
+            mkdir tests
+            echo  "$(grep -v ASCII FileList | grep -v git)" > tests/UTF_Files'''
         }
       }