diff --git a/vars/dockerExecute.groovy b/vars/dockerExecute.groovy
index 72ff9e758..4cfbc07d3 100644
--- a/vars/dockerExecute.groovy
+++ b/vars/dockerExecute.groovy
@@ -27,6 +27,7 @@ def call(Map parameters = [:], body) {
             returnCode = sh script: 'docker ps -q > /dev/null', returnStatus: true
             if(returnCode != 0) {
                 echo "[WARNING][$STEP_NAME] Cannot connect to docker daemon (command 'docker ps' did not return with '0'). Configured docker image '${dockerImage}' will not be used."
+                dockerImage = null
             }
         }