--- usr/share/lyx/layouts/enumitem.module 
+++ home/liv/.lyx/layouts/enumitem.module 
@@ -41,7 +41,7 @@
 #       Preamble-Styling specific to this list type.
 
 AddToPreamble
-	\usepackage{enumitem}		% customizable list environments
+	\AtBeginDocument{ \usepackage{enumitem} } 		% customizable list environments
 	\newlength{\lyxlabelwidth}      % auxiliary length 
 EndPreamble