diff --git a/rules/manager.go b/rules/manager.go
index 50c4c8b7f..509e7d874 100644
--- a/rules/manager.go
+++ b/rules/manager.go
@@ -921,7 +921,7 @@ func (m *Manager) Update(interval time.Duration, files []string, externalLabels
 		}
 
 		wg.Add(1)
-		go func(newg *Group) {
+		go func(newg *Group, oldg *Group) {
 			if ok {
 				oldg.stop()
 				newg.CopyState(oldg)
@@ -934,7 +934,7 @@ func (m *Manager) Update(interval time.Duration, files []string, externalLabels
 				newg.run(m.opts.Context)
 			}()
 			wg.Done()
-		}(newg)
+		}(newg, oldg)
 	}
 
 	// Stop remaining old groups.