diff --git a/pd/src/pd.tk b/pd/src/pd.tk
index 4d529aa37a6eb9313b9fae0586000bc4900279ca..da6607009e9ecccec1c35c5e370a46c1da6ef3b7 100644
--- a/pd/src/pd.tk
+++ b/pd/src/pd.tk
@@ -328,12 +328,14 @@ proc pdtk_enable_k12_mode {extra_dir} {
 	global autotips
 	global signal_cord_highlight
 	global signal_cord
+	global highlight_width
 
 	set k12_mode 1
 	set signal_cord_width 4
 	set autotips 1
 	set signal_cord_highlight "#474"
 	set signal_cord "#2ca7d4"
+	set highlight_width 7
 
 	image create photo i.wii_connect -file $extra_dir/K12/icons/wii_connect_on.png
 	image create photo i.wii_buttons -file $extra_dir/K12/icons/wii_buttons.png