diff --git a/server/routers.ts b/server/routers.ts
index 435562b..d3b523e 100644
--- a/server/routers.ts
+++ b/server/routers.ts
@@ -2642,7 +2642,7 @@ export const appRouter = router({
             const sequenceId = sequenceData[0].id;
             const randomSuffix = crypto.randomBytes(8).toString("hex");
             const fileName = `signature-formateur-${formateurData[0].id}-${dateFormId}-${randomSuffix}.png`;
-            const signatureS3Key = `signatures/${formationId}-${sequenceId}/${fileName}`;
+            signatureS3Key = `signatures/${formationId}-${sequenceId}/${fileName}`;
             const base64Data = input.signatureDataUrl.split(",")[1];
             const buffer = Buffer.from(base64Data, "base64");
             const { url } = await storagePut(signatureS3Key, buffer, "image/png");