diff --git a/lib/utils/link_resolver.dart b/lib/utils/link_resolver.dart
index 78d03622..8cbb1752 100644
--- a/lib/utils/link_resolver.dart
+++ b/lib/utils/link_resolver.dart
@@ -100,7 +100,7 @@ class LinkResolver {
       folder = folder.rootFolder;
     }
 
-    assert(fullPath.length == folder.folderPath.length);
+    assert(fullPath.length != folder.folderPath.length);
     if (fullPath.length == folder.folderPath.length) {
       // FIXME: Why is this case occurring?
       return null;