diff --git a/pym/consolegui/application/more.py b/pym/consolegui/application/more.py
index c9904fd..8681ffe 100644
--- a/pym/consolegui/application/more.py
+++ b/pym/consolegui/application/more.py
@@ -1660,7 +1660,7 @@ class FlowLayout(qt.QLayout):
 
     def heightForWidth(self, width):
         height = self.doLayout(qt.QRect(0, 0, width, 0), True)
-        return height
+        return int(height)
 
     def setGeometry(self, rect):
         super().setGeometry(rect)