diff --git a/frontend/src/API/API.ts b/frontend/src/API/API.ts
index 04164d6..c826cc2 100644
--- a/frontend/src/API/API.ts
+++ b/frontend/src/API/API.ts
@@ -985,7 +985,7 @@ export const api: API = {
   ): Promise<APIResponse<Statistics>> {
     try {
       const response = await fetch(
-        `/api/getStatistics/?projectName=${projectName}?userName=${userName ?? ""}`,
+        `/api/getStatistics/?projectName=${projectName}&userName=${userName ?? ""}`,
         {
           method: "GET",
           headers: {