diff --git a/SingularityService/src/main/java/com/hubspot/singularity/scheduler/SingularityDeployChecker.java b/SingularityService/src/main/java/com/hubspot/singularity/scheduler/SingularityDeployChecker.java
index <HASH>..<HASH> 100644
--- a/SingularityService/src/main/java/com/hubspot/singularity/scheduler/SingularityDeployChecker.java
+++ b/SingularityService/src/main/java/com/hubspot/singularity/scheduler/SingularityDeployChecker.java
@@ -415,7 +415,7 @@ public class SingularityDeployChecker {
         sendCancelToLoadBalancer(pendingDeploy);
       }
 
-      return getDeployResultWithFailures(request, deploy, pendingDeploy, DeployState.FAILED, String.format("Task(s) %s for this deploy failed", inactiveDeployMatchingTasks), inactiveDeployMatchingTasks);
+      return getDeployResultWithFailures(request, deploy, pendingDeploy, DeployState.FAILED, String.format("%s task(s) for this deploy failed", inactiveDeployMatchingTasks.size()), inactiveDeployMatchingTasks);
     }
 
     return checkDeployProgress(request, cancelRequest, pendingDeploy, updatePendingDeployRequest, deploy, deployActiveTasks, otherActiveTasks);
shorter high level message, detail will be in individual failures