diff --git a/UndertaleModTool/Converters/GridConverter.cs b/UndertaleModTool/Converters/GridConverter.cs
index 4f2e28a20..911e08a04 100644
--- a/UndertaleModTool/Converters/GridConverter.cs
+++ b/UndertaleModTool/Converters/GridConverter.cs
@@ -13,6 +13,8 @@ public class GridConverter : IMultiValueConverter
     {
         public object Convert(object[] values, System.Type targetType, object parameter, System.Globalization.CultureInfo culture)
         {
+            if (values.Any(x => x is not double))
+                return new Rect();
             return new Rect(0, 0, (double)values[0], (double)values[1]);
         }