diff --git a/.ci/dev/regression/Jenkinsfile b/.ci/dev/regression/Jenkinsfile
index e629eaecee..285eec85f6 100644
--- a/.ci/dev/regression/Jenkinsfile
+++ b/.ci/dev/regression/Jenkinsfile
@@ -364,12 +364,12 @@ pipeline {
         }
         success {
             script {
-                sendSlackNotifications("good", "BUILD PASSED", true, "#corda-corda4-open-source-build-notifications")
+                sendSlackNotifications("good", "BUILD PASSED", false, "#corda-corda4-open-source-build-notifications")
             }
         }
         unstable {
             script {                 
-                sendSlackNotifications("warning", "BUILD UNSTABLE - Unstable Builds are likely a result of Nexus Sonar Scanner violations", true, "#corda-corda4-open-source-build-notifications")                      
+                sendSlackNotifications("warning", "BUILD UNSTABLE - Unstable Builds are likely a result of Nexus Sonar Scanner violations", false, "#corda-corda4-open-source-build-notifications")                      
             }
         }
         failure {