diff --git a/posting/mvcc.go b/posting/mvcc.go
index 3b7c1094383..1b32ac86c38 100644
--- a/posting/mvcc.go
+++ b/posting/mvcc.go
@@ -385,7 +385,7 @@ func initMemoryLayer(cacheSize int64, keepUpdates bool) *MemoryLayer {
 			ostats.Record(context.Background(), x.PLCacheHitRatio.M(m.Ratio()))
 		}
 	}()
-	if cacehSize > 0 {
+	if cacheSize > 0 {
 		ml.cache = cache
 	}
 	return ml