diff --git a/gooey/gui/util/wx_util.py b/gooey/gui/util/wx_util.py
index 1f2f6fc..6d12217 100644
--- a/gooey/gui/util/wx_util.py
+++ b/gooey/gui/util/wx_util.py
@@ -51,7 +51,7 @@ def withColor(statictext, hex):
 def h0(parent, label):
     text = wx.StaticText(parent, label=label)
     font_size = text.GetFont().GetPointSize()
-    font = wx.Font(font_size * 1.4, *styles['h0'])
+    font = wx.Font(int(font_size * 1.4, *styles['h0']))
     text.SetFont(font)
     return text
 
@@ -67,7 +67,7 @@ def h2(parent, label):
 def _header(parent, label, styles):
     text = wx.StaticText(parent, label=label)
     font_size = text.GetFont().GetPointSize()
-    font = wx.Font(font_size * 1.2, *styles)
+    font = wx.Font(int(font_size * 1.2), *styles)
     text.SetFont(font)
     return text