diff --git a/core/state/statedb.go b/core/state/statedb.go
index bb2a87b172..61e76cdd77 100644
--- a/core/state/statedb.go
+++ b/core/state/statedb.go
@@ -1211,8 +1211,8 @@ func (s *StateDB) commit(deleteEmptyObjects bool) (*stateUpdate, error) {
 			}
 			lock.Lock()
 			updates[obj.addrHash] = update
-			lock.Unlock()
 			s.StorageCommits = time.Since(start) // overwrite with the longest storage commit runtime
+			lock.Unlock()
 			return nil
 		})
 	}