diff --git a/Editor/ClusterInspector.cs b/Editor/ClusterInspector.cs
index c4af8d6..5aeb9c9 100644
--- a/Editor/ClusterInspector.cs
+++ b/Editor/ClusterInspector.cs
@@ -768,6 +768,7 @@ public class ClusterInspector : Editor {
                                 }
                                 else
                                     synapse.weight = newWeight;
+                                anythingChanged = true;
                             }
                             EditorGUI.indentLevel--;
                         }