diff --git a/MLEM.Ui/Elements/Tooltip.cs b/MLEM.Ui/Elements/Tooltip.cs
index 087df92..3b34b11 100644
--- a/MLEM.Ui/Elements/Tooltip.cs
+++ b/MLEM.Ui/Elements/Tooltip.cs
@@ -17,7 +17,10 @@ namespace MLEM.Ui.Elements {
if (elementToHover != null) {
elementToHover.OnMouseEnter += element => element.System.Add(element.GetType().Name + "Tooltip", this).CanSelectContent = false;
- elementToHover.OnMouseExit += element => element.System.Remove(element.GetType().Name + "Tooltip");
+ elementToHover.OnMouseExit += element => {
+ if (this.System != null)
+ this.System.Remove(element.GetType().Name + "Tooltip");
+ };
}
}
diff --git a/MLEM.Ui/MLEM.Ui.csproj b/MLEM.Ui/MLEM.Ui.csproj
index 8ee3f58..4eed3af 100644
--- a/MLEM.Ui/MLEM.Ui.csproj
+++ b/MLEM.Ui/MLEM.Ui.csproj
@@ -10,7 +10,7 @@
https://github.com/Ellpeck/MLEM
https://github.com/Ellpeck/MLEM
https://github.com/Ellpeck/MLEM/blob/master/LICENSE
- 1.1.5
+ 1.1.6