diff --git a/Tools/autotest/run_in_terminal_window.sh b/Tools/autotest/run_in_terminal_window.sh
index 0948d7970e..7d26b24363 100755
--- a/Tools/autotest/run_in_terminal_window.sh
+++ b/Tools/autotest/run_in_terminal_window.sh
@@ -8,7 +8,7 @@ shift
 echo "Starting $name : $*"
 # default to xterm as it has the most consistent options and can start minimised
 if [ -n "$DISPLAY" -a -x /usr/bin/xterm ]; then
-  /usr/bin/xterm -iconic -xrm 'XTerm*selectToClipboard: true' -n "$name" -name "$name" -T "$name" -hold -e $* &
+  /usr/bin/xterm -iconic -xrm 'XTerm*selectToClipboard: true' -xrm 'XTerm*initialFont: 6' -n "$name" -name "$name" -T "$name" -hold -e $* &
 elif [ -n "$DISPLAY" -a -x /usr/bin/konsole ]; then
   /usr/bin/konsole --hold -e $*
 elif [ -n "$DISPLAY" -a -x /usr/bin/gnome-terminal ]; then