diff --git a/Greenshot/Drawing/TextContainer.cs b/Greenshot/Drawing/TextContainer.cs
index 1a6d4655a..4bb5ebdf6 100644
--- a/Greenshot/Drawing/TextContainer.cs
+++ b/Greenshot/Drawing/TextContainer.cs
@@ -247,7 +247,7 @@ namespace Greenshot.Drawing {
 			rect = GuiRectangle.GetGuiRectangle(Left, Top, Width, Height);
 
 			int pixelsAfter = rect.Width * rect.Height;
-			float factor = pixelsAfter / pixelsBefore;
+			float factor = pixelsAfter / (float)pixelsBefore;
 
 			float fontSize = GetFieldValueAsFloat(FieldType.FONT_SIZE);
 			fontSize *= factor;