diff --git a/first-class-pipeline/vars/pipelineCall.groovy b/first-class-pipeline/vars/pipelineCall.groovy
index 7c681406..5f28f8be 100644
--- a/first-class-pipeline/vars/pipelineCall.groovy
+++ b/first-class-pipeline/vars/pipelineCall.groovy
@@ -20,7 +20,7 @@ def call(Map configurations) {
       stage("Source Codes Checkout") {
         steps {
           scripts {
-            var sourceFetcher = new SourceFetcher(this)
+            def sourceFetcher = new SourceFetcher(this)
             sourceFetcher.fetch(configurations)
           }
         }
@@ -37,7 +37,7 @@ def call(Map configurations) {
       stage("Commit Linting If Enabled") {
         steps {
           scripts {
-            enabled = "${configurations.COMMIT_MESSAGE_LINT_ENABLED}"
+            def enabled = "${configurations.COMMIT_MESSAGE_LINT_ENABLED}"
             
             if (enabled == "true") {
               print("Commit Linting is enabled")