diff --git a/src/plugins_types.c b/src/plugins_types.c
index ebdaec6..464883b 100644
--- a/src/plugins_types.c
+++ b/src/plugins_types.c
@@ -1350,7 +1350,7 @@
     if (options & LY_TYPE_STORE_DYNAMIC) {
         LY_CHECK_RET(lydict_insert_zc(ctx, (char *)value, &storage->canonical));
     } else {
-        LY_CHECK_RET(lydict_insert(ctx, value, value_len, &storage->canonical));
+        LY_CHECK_RET(lydict_insert(ctx, "", value_len, &storage->canonical));
     }
     storage->ptr = NULL;
     storage->realtype = type;