diff --git a/first-class-pipeline/src/com/freeleaps/devops/ChangedComponentsDetector.groovy b/first-class-pipeline/src/com/freeleaps/devops/ChangedComponentsDetector.groovy
index aa7dff2a..d4e89a5e 100644
--- a/first-class-pipeline/src/com/freeleaps/devops/ChangedComponentsDetector.groovy
+++ b/first-class-pipeline/src/com/freeleaps/devops/ChangedComponentsDetector.groovy
@@ -13,7 +13,7 @@ class ChangedComponentsDetector {
 
     steps.dir(workspace) {
       // using git command to get changed files list
-      def changedFiles = sh(script: 'git diff --name-only HEAD~1 HEAD', returnStdout: true)
+      def changedFiles = steps.sh(script: 'git diff --name-only HEAD~1 HEAD', returnStdout: true)
         .trim()
         .split('\n')