diff --git a/gogocarto/hooks/mongo_database-relation-joined b/gogocarto/hooks/mongo_database-relation-joined
index 6f7707a..7b0b32a 100755
--- a/gogocarto/hooks/mongo_database-relation-joined
+++ b/gogocarto/hooks/mongo_database-relation-joined
@@ -40,6 +40,10 @@ db.Configuration.findOneAndUpdate(
    { \$set: { "dbName" : "$DBNAME"} }
 );
 EOF
+
+        info Removing cache before migration
+        rm -rf "$SERVICE_DATASTORE/var/cache/gogocarto/prod/"*
+        info Launch migration
         symphony db:migrate
     } || {
         err "Mongo database migration failed."