diff --git a/src/db.cpp b/src/db.cpp
index 5dfd6b635..163c12468 100644
--- a/src/db.cpp
+++ b/src/db.cpp
@@ -3247,7 +3247,7 @@ bool redisDbPersistentData::prefetchKeysAsync(client *c, parsed_command &command
             const char *cmd = szFromObj(command.argv[0]);
             if (!strcasecmp(cmd, "set") || !strcasecmp(cmd, "get")) {
                 if (c->db->m_spdbSnapshotHOLDER != nullptr)
-                    return; // this is dangerous enough without a snapshot around
+                    return false; // this is dangerous enough without a snapshot around
                 auto h = dictSdsHash(szFromObj(command.argv[1]));
                 for (int iht = 0; iht < 2; ++iht) {
                     auto hT = h & c->db->m_pdict->ht[iht].sizemask;