diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8fbbf6177..59fc6440c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,5 @@
+- Fix #983
+
 # 3.0.0 - *2013-04-07*
 
 **Major rewrite of 4chan X.**
diff --git a/src/features.coffee b/src/features.coffee
index 0ea03af9a..1fbcc8950 100644
--- a/src/features.coffee
+++ b/src/features.coffee
@@ -1129,7 +1129,7 @@ ThreadHiding =
           if thread.no of hiddenThreadsOnCatalog
             threads[thread.no] = hiddenThreadsOnCatalog[thread.no]
       if Object.keys(threads).length
-        localStorage.setItem "4chan-hide-t-#{g.BOARD}", threads
+        localStorage.setItem "4chan-hide-t-#{g.BOARD}", JSON.stringify threads
       else
         localStorage.removeItem "4chan-hide-t-#{g.BOARD}"