diff --git a/@GUI/init.m b/@GUI/init.m
index d6534789e3f738401fa22b500768f365be0522e0..44e552a4b906e45db77ea746081998316de12a51 100644
--- a/@GUI/init.m
+++ b/@GUI/init.m
@@ -66,6 +66,7 @@ object.check_pb = uicontrol('style','push',...
     'string','Syntax',...
     'HorizontalAlign','left',...
     'Parent',object.fig,...
+    'Max',2.0,...
     'callback',@(src,event)check_call(object,src,event));
 
 
@@ -107,6 +108,7 @@ object.function_name_control = uicontrol('style','edit',...
     'HorizontalAlign','center',...
     'FontWeight','bold',...
     'FontSize',12,...
+    'Max',2.0,...
     'KeyPressFcn',@(src,event)textbox_callback(object,src,event),...
     'BackgroundColor',[1 1 1]);
 
@@ -122,6 +124,7 @@ object.function_inputs_control = uicontrol('style','edit',...
     'Parent',object.fig,...
     'HorizontalAlign','center',...
     'FontWeight','bold',...
+    'Max',2.0,...
     'FontSize',12,...
     'KeyPressFcn',@(src,event)textbox_callback(object,src,event),...
     'BackgroundColor',[1 1 1]);