--- a/eric7/Network/IRC/IrcWidget.py	Sun Sep 26 20:21:35 2021 +0200
+++ b/eric7/Network/IRC/IrcWidget.py	Mon Sep 27 10:50:18 2021 +0200
@@ -74,7 +74,7 @@
             self.channelsWidget.setTabPosition(QTabWidget.TabPosition.South)
         
         height = self.height()
-        self.splitter.setSizes([height * 0.6, height * 0.4])
+        self.splitter.setSizes([int(height * 0.6), int(height * 0.4)])
         
         self.__channelList = []
         self.__channelTypePrefixes = ""