diff --git a/src/components/ChallengeEditor/ChallengeReviewer-Field/index.js b/src/components/ChallengeEditor/ChallengeReviewer-Field/index.js
index e61acf43..822e58e6 100644
--- a/src/components/ChallengeEditor/ChallengeReviewer-Field/index.js
+++ b/src/components/ChallengeEditor/ChallengeReviewer-Field/index.js
@@ -58,7 +58,7 @@ class ChallengeReviewerField extends Component {
 
     // Add challenge track if available
     if (challenge.track) {
-      filters.challengeTrack = challenge.track.toUpperCase()
+      filters.challengeTrack = challenge.track.toUpperCase().replace(' ', '_')
     }
 
     // Add challenge type if available