diff --git a/packages/app/src/app/store/computed.js b/packages/app/src/app/store/computed.js
index a2666026181..5d26d80865d 100644
--- a/packages/app/src/app/store/computed.js
+++ b/packages/app/src/app/store/computed.js
@@ -1,3 +1,8 @@
 export function isContributor(username: string) {
-  return this.contributors.indexOf(username) > -1;
+  return (
+    this.contributors.findIndex(
+      contributor =>
+        contributor.toLocaleLowerCase() === username.toLocaleLowerCase()
+    ) > -1
+  );
 }