diff --git a/frontend/lib/api.ts b/frontend/lib/api.ts
index 44fe2a2..c65e682 100644
--- a/frontend/lib/api.ts
+++ b/frontend/lib/api.ts
@@ -60,7 +60,12 @@ function getApiClient() {
 
 // Tracks
 export async function getTracks(params: FilterParams & { skip?: number; limit?: number }): Promise<TracksResponse> {
-  const response = await getApiClient().get('/api/tracks', { params })
+  const response = await getApiClient().get('/api/tracks', {
+    params,
+    paramsSerializer: {
+      indexes: null, // Use instruments=value1&instruments=value2 instead of instruments[0]=value1
+    }
+  })
   return response.data
 }