diff --git a/website/src/clients/SignalConsoApiClient.ts b/website/src/clients/SignalConsoApiClient.ts
index 5a46ee6f..39d81f73 100644
--- a/website/src/clients/SignalConsoApiClient.ts
+++ b/website/src/clients/SignalConsoApiClient.ts
@@ -101,7 +101,7 @@ export class SignalConsoApiClient {
   }
 
   removeUploadedFile = (file: UploadedFile) => {
-    return this.client.delete<void>(`reports/files/temporary/${file.id}?filename=${encodeURI(file.filename)}`)
+    return this.client.delete<void>(`/reports/files/temporary/${file.id}/${encodeURIComponent(file.filename)}`)
   }
 
   rateSubcategory = (category: string, subcategories: Subcategory[], positive: boolean): Promise<void> => {