diff --git a/src/core/queryCache.js b/src/core/queryCache.js
index 4f85deec8b..c3f46d3633 100644
--- a/src/core/queryCache.js
+++ b/src/core/queryCache.js
@@ -168,7 +168,7 @@ export function makeQueryCache({ frozen = isServer, defaultConfig } = {}) {
         query.scheduleGarbageCollection()
       }
 
-      if (!frozen) {
+      if (!frozen && queryHash) {
         queryCache.queries[queryHash] = query
 
         if (isServer) {