diff --git a/server/torr/storage/torrstor/cache.go b/server/torr/storage/torrstor/cache.go
index d638705..566476f 100644
--- a/server/torr/storage/torrstor/cache.go
+++ b/server/torr/storage/torrstor/cache.go
@@ -173,6 +173,9 @@ func (c *Cache) cleanPieces() {
 				break
 			}
 		}
+		if rems <= 0 {
+			utils.FreeOSMemGC()
+		}
 	}
 }