diff --git a/.ci/dev/regression/Jenkinsfile b/.ci/dev/regression/Jenkinsfile
index 465719a33d..84810ae1f1 100644
--- a/.ci/dev/regression/Jenkinsfile
+++ b/.ci/dev/regression/Jenkinsfile
@@ -387,12 +387,12 @@ 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 {