diff --git a/src/server.cpp b/src/server.cpp
index 5e566f957..e9e71b46e 100644
--- a/src/server.cpp
+++ b/src/server.cpp
@@ -1950,7 +1950,7 @@ void databasesCron(bool fMainThread) {
                 ::dict *dict = g_pserver->db[rehash_db]->dictUnsafeKeyOnly();
                 /* Are we async rehashing? And if so is it time to re-calibrate? */
                 /* The recalibration limit is a prime number to ensure balancing across threads */
-                if (rehashes_per_ms > 0 && async_rehashes < 131 && cserver.active_defrag_enabled) {
+                if (rehashes_per_ms > 0 && async_rehashes < 131 && !cserver.active_defrag_enabled) {
                     serverTL->rehashCtl = dictRehashAsyncStart(dict, rehashes_per_ms);
                     ++async_rehashes;
                 }