diff --git a/FModel/Views/Resources/Controls/Aed/BraceFoldingStrategy.cs b/FModel/Views/Resources/Controls/Aed/BraceFoldingStrategy.cs
index 54d72e17..127090cb 100644
--- a/FModel/Views/Resources/Controls/Aed/BraceFoldingStrategy.cs
+++ b/FModel/Views/Resources/Controls/Aed/BraceFoldingStrategy.cs
@@ -42,7 +42,7 @@ namespace FModel.Views.Resources.Controls
 				foldSection[^1].IsFolded = !foldSection[^1].IsFolded;
 		}
 
-		public void FoldAtLevel(int level = 0)
+		public void FoldToggleAtLevel(int level = 0)
 		{
 			if (_foldingManager.AllFoldings == null)
 				return;
@@ -50,7 +50,7 @@ namespace FModel.Views.Resources.Controls
 			foreach (var folding in _foldingManager.AllFoldings)
 			{
 				if (folding.Tag is not CustomNewFolding realFolding) continue;
-				if (realFolding.Level == level) folding.IsFolded = true;
+				if (realFolding.Level == level) folding.IsFolded = !folding.IsFolded;
 			}
 		}
 	}
diff --git a/FModel/Views/Resources/Controls/PropertiesPopout.xaml.cs b/FModel/Views/Resources/Controls/PropertiesPopout.xaml.cs
index c6fbe181..5eec8649 100644
--- a/FModel/Views/Resources/Controls/PropertiesPopout.xaml.cs
+++ b/FModel/Views/Resources/Controls/PropertiesPopout.xaml.cs
@@ -79,7 +79,7 @@ namespace FModel.Views.Resources.Controls
                     _manager.FoldToggle(MyAvalonEditor.CaretOffset);
                     break;
                 case >= Key.D0 and <= Key.D9 when Keyboard.IsKeyDown(Key.K) && Keyboard.Modifiers.HasFlag(ModifierKeys.Control):
-                    _manager.FoldAtLevel(int.Parse(e.Key.ToString()[1].ToString()));
+                    _manager.FoldToggleAtLevel(int.Parse(e.Key.ToString()[1].ToString()));
                     break;
             }
         }