diff --git a/Jenkinsfile b/Jenkinsfile
index 5c09adf37..8c1d56994 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -128,15 +128,20 @@ pipeline{
 	}
 	post {
 		regression {
-			when { branch 'master' }
-			slackSend (color: '#ff0000', message: '"master" branch build is now failing')
+			script {
+				if (env.BRANCH_NAME == 'master') {
+					slackSend (color: '#ff0000', message: '"master" branch build is now failing')
+				}
+			}
 		}
 		fixed {
-			when { branch 'master' }
-			slackSend (color: '#00ff00', message: '"master" branch build is now fixed')
+			script {
+				if (env.BRANCH_NAME == 'master') {
+					slackSend (color: '#00ff00', message: '"master" branch build is now fixed')
+				}
+			}
 		}
 	}
-	
 }
 
 def cancelPreviousBuilds() {