diff --git a/opencga-app/src/main/java/org/opencb/opencga/app/migrations/v2_4_11/catalog/SignatureFittingsMigration.java b/opencga-app/src/main/java/org/opencb/opencga/app/migrations/v2_4_11/catalog/SignatureFittingsMigration.java
index 46fcf8aa891..0f3401e0755 100644
--- a/opencga-app/src/main/java/org/opencb/opencga/app/migrations/v2_4_11/catalog/SignatureFittingsMigration.java
+++ b/opencga-app/src/main/java/org/opencb/opencga/app/migrations/v2_4_11/catalog/SignatureFittingsMigration.java
@@ -53,7 +53,7 @@ protected void run() throws Exception {
 
                         bulk.add(new UpdateOneModel<>(
                                 eq("_id", document.get("_id")),
-                                new Document("$set", new Document("qualityControl.variant", signatures)))
+                                new Document("$set", new Document("qualityControl.variant.signatures", signatures)))
                         );
                     }
                 });