diff --git a/pkg/server/sync.go b/pkg/server/sync.go
index eaf9f0db1..c7dd6286a 100644
--- a/pkg/server/sync.go
+++ b/pkg/server/sync.go
@@ -724,7 +724,7 @@ func (sh *SyncHandler) runFullValidation() {
 		pfx := pfx
 		gate.Start()
 		go func() {
-			wg.Done()
+			defer wg.Done()
 			defer gate.Done()
 			sh.validateShardPrefix(pfx)
 		}()