diff --git a/java/com/tigervnc/vncviewer/CConn.java b/java/com/tigervnc/vncviewer/CConn.java
index a485f33..73c0562 100644
--- a/java/com/tigervnc/vncviewer/CConn.java
+++ b/java/com/tigervnc/vncviewer/CConn.java
@@ -516,9 +516,6 @@
         pack = false;
       }
 
-      if (pack)
-        viewport.setPreferredSize(new Dimension(w,h));
-
       if (viewport.getExtendedState() == JFrame.MAXIMIZED_BOTH) {
         w = viewport.getSize().width;
         h = viewport.getSize().height;