diff --git a/src/js/app/challenge-details/js/controllers/challenge-details-controller.js b/src/js/app/challenge-details/js/controllers/challenge-details-controller.js
index bc5c52eb..36398bfd 100644
--- a/src/js/app/challenge-details/js/controllers/challenge-details-controller.js
+++ b/src/js/app/challenge-details/js/controllers/challenge-details-controller.js
@@ -337,7 +337,7 @@
     }
     
     var hasSubmitted = false;
-    if (submissionMap.indexOf(handle) >= 0) {
+    if (submitters.indexOf(handle) >= 0) {
       hasSubmitted = true;
     }