diff --git a/src/webapp/hooks/useAuth.tsx b/src/webapp/hooks/useAuth.tsx
index 18edf45d..f198ddea 100644
--- a/src/webapp/hooks/useAuth.tsx
+++ b/src/webapp/hooks/useAuth.tsx
@@ -45,8 +45,28 @@ export const AuthProvider = ({ children }: { children: ReactNode }) => {
   });
 
   useEffect(() => {
-    if (query.isError && !query.isLoading && pathname !== '/') logout();
-  }, [query.isError, logout]);
+    // Don't auto-logout on Safari iOS immediately after auth success
+    // Give it time for cookies to be properly set
+    if (query.isError && !query.isLoading && pathname !== '/') {
+      // Add a small delay for Safari iOS cookie handling
+      const isSafariIOS = /iPad|iPhone|iPod/.test(navigator.userAgent) && 
+                          /Safari/.test(navigator.userAgent) && 
+                          !/Chrome/.test(navigator.userAgent);
+      
+      if (isSafariIOS) {
+        setTimeout(() => {
+          // Re-check auth status before logging out
+          query.refetch().then((result) => {
+            if (!result.data) {
+              logout();
+            }
+          });
+        }, 1000);
+      } else {
+        logout();
+      }
+    }
+  }, [query.isError, logout, query]);
 
   const contextValue: AuthContextType = {
     user: query.data ?? null,