diff --git a/linux/Jenkinsfile b/linux/Jenkinsfile
index be6009eea..92f5d4084 100644
--- a/linux/Jenkinsfile
+++ b/linux/Jenkinsfile
@@ -301,7 +301,7 @@ def uploadAlpineArtifacts(String buildArch) {
 
       env.TARGET = ${Target}
 
-        if (jf 'rt s $TARGET') {
+        if ( jf 'rt s $TARGET' ) {
           echo file_exists=true
         } else {
           echo file_exists=false