diff --git a/BlueprintExplorer/BlueprintControl.cs b/BlueprintExplorer/BlueprintControl.cs
index f4013f0..fe721e3 100644
--- a/BlueprintExplorer/BlueprintControl.cs
+++ b/BlueprintExplorer/BlueprintControl.cs
@@ -300,6 +300,12 @@ private void BubblePrints_OnSettingsChanged()
             ValidateBlueprint(false);
         }
 
+        protected override void Dispose(bool disposing)
+        {
+            BubblePrints.OnSettingsChanged -= BubblePrints_OnSettingsChanged;
+            base.Dispose(disposing);
+        }
+
         protected override void OnBackColorChanged(EventArgs e) => UpdateRowHoverColor();
 
         private void UpdateRowHoverColor()