diff --git a/src/layout/RootLayout/Footer.tsx b/src/layout/RootLayout/Footer.tsx
index 6f0854c..660e56d 100644
--- a/src/layout/RootLayout/Footer.tsx
+++ b/src/layout/RootLayout/Footer.tsx
@@ -15,13 +15,20 @@ const linkStyle = {
   },
 };
 
+const gitSha = import.meta.env.VITE_GIT_SHA;
+
 const links = [
   { text: 'GitHub', url: 'https://github.com/coder13/delegateDashboard' },
   { text: 'Contact', url: 'mailto:choover11@gmail.com' },
-  {
-    text: `${import.meta.env.VITE_GIT_SHA}`,
-    url: `https://github.com/coder13/delegateDashboard/commit/${import.meta.env.VITE_GIT_SHA}`,
-  },
+  // Netlify/preview builds sometimes don't provide VITE_GIT_SHA; avoid showing "undefined".
+  ...(gitSha
+    ? [
+        {
+          text: gitSha,
+          url: `https://github.com/coder13/delegateDashboard/commit/${gitSha}`,
+        },
+      ]
+    : []),
 ];
 
 const Footer = () => {
diff --git a/src/providers/AuthProvider/AuthProvider.tsx b/src/providers/AuthProvider/AuthProvider.tsx
index b9af666..53d1c7d 100644
--- a/src/providers/AuthProvider/AuthProvider.tsx
+++ b/src/providers/AuthProvider/AuthProvider.tsx
@@ -64,6 +64,10 @@ export function AuthProvider({ children }: { children: React.ReactNode }) {
 
   useEffect(() => {
     const hash = window.location.hash.replace(/^#/, '');
+    if (!hash) {
+      return;
+    }
+
 
     if (!hash) {
       return;
@@ -86,6 +90,7 @@ export function AuthProvider({ children }: { children: React.ReactNode }) {
     /* Clear the hash if there is a token. */
     if (hashParams.has('access_token')) {
       // history.replace({ ...history.location, hash: null });
+      console.log(93);
       navigate({
         pathname: '/',
         hash: '',
diff --git a/src/store/actions.ts b/src/store/actions.ts
index 3445fcc..729e486 100644
--- a/src/store/actions.ts
+++ b/src/store/actions.ts
@@ -158,7 +158,8 @@ export const uploadCurrentWCIFChanges =
       return;
     }
 
-    const changes = pick(wcif, Array.from(changedKeys));
+    const keysForPatch = ["formatVersion", ...Array.from(changedKeys)];
+    const changes = pick(wcif, keysForPatch);
 
     dispatch(updateUploading(true));
     patchWcif(competitionId, changes)