diff --git a/Jenkinsfile b/Jenkinsfile
index 7867985fc1..656f1055eb 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -79,6 +79,10 @@ def deviceStage(String stageName, String deviceType, List extra_env, def steps)
         return
     }
 
+    if (isReplay()) {
+      error("REPLAYING TESTS IS NOT ALLOWED. FIX THEM INSTEAD.")
+    }
+
     def extra = extra_env.collect { "export ${it}" }.join('\n');
     def branch = env.BRANCH_NAME ?: 'master';
     def gitDiff = sh returnStdout: true, script: 'curl -s -H "Authorization: Bearer ${GITHUB_COMMENTS_TOKEN}" https://api.github.com/repos/commaai/openpilot/compare/master...${GIT_BRANCH} | jq .files[].filename || echo "/"', label: 'Getting changes'
@@ -123,6 +127,11 @@ def hasPathChanged(String gitDiff, List<String> paths) {
   return false
 }
 
+def isReplay() {
+  def replayClass = "org.jenkinsci.plugins.workflow.cps.replay.ReplayCause"
+  return currentBuild.rawBuild.getCauses().any{ cause -> cause.toString().contains(replayClass) }
+}
+
 def setupCredentials() {
   withCredentials([
     string(credentialsId: 'azure_token', variable: 'AZURE_TOKEN'),