diff --git a/seed/index.js b/seed/index.js
index f7fe8d2b98..bb141de18b 100644
--- a/seed/index.js
+++ b/seed/index.js
@@ -81,7 +81,7 @@ Observable.combineLatest(
             challenge.helpRoom = helpRoom;
             challenge.order = order;
             challenge.suborder = index + 1;
-            challenge.block = blockName;
+            challenge.block = dasherize(blockName);
             challenge.blockId = block.id;
             challenge.isBeta = challenge.isBeta || isBeta;
             challenge.isComingSoon = challenge.isComingSoon || isComingSoon;
diff --git a/server/services/map.js b/server/services/map.js
index cd5ef0e2a2..5caba3cd89 100644
--- a/server/services/map.js
+++ b/server/services/map.js
@@ -1,7 +1,6 @@
 import { Observable } from 'rx';
 import { Schema, valuesOf, arrayOf, normalize } from 'normalizr';
 import { nameify, dasherize, unDasherize } from '../utils';
-import { dashify } from '../../common/utils';
 import debug from 'debug';
 
 const isDev = process.env.NODE_ENV !== 'production';
@@ -179,11 +178,11 @@ function getChallengeByDashedName(dashedName, challengeMap$) {
     })
     .map(challenge => ({
       redirect:
-        `/challenges/${dashify(challenge.block)}/${challenge.dashedName}`,
+        `/challenges/${challenge.block}/${challenge.dashedName}`,
       entities: { challenge: { [challenge.dashedName]: challenge } },
       result: {
         challenge: challenge.dashedName,
-        block: dashify(challenge.block)
+        block: challenge.block
       }
     }));
 }