diff --git a/cmd/geth/snapshot.go b/cmd/geth/snapshot.go
index 08454f579e..8fedc21c27 100644
--- a/cmd/geth/snapshot.go
+++ b/cmd/geth/snapshot.go
@@ -922,6 +922,7 @@ func dumpState(ctx *cli.Context) error {
 			for stIt.Next() {
 				da.Storage[stIt.Hash()] = common.Bytes2Hex(stIt.Slot())
 			}
+			stIt.Release()
 		}
 		enc.Encode(da)
 		accounts++