diff -up ./Makefile.am.orig ./Makefile.am
--- ./Makefile.am.orig	2012-12-28 16:34:09.769934425 +0000
+++ ./Makefile.am	2012-12-28 16:34:37.864771918 +0000
@@ -6,7 +6,7 @@ bin_PROGRAMS = matchbox-panel-manager
 matchbox_panel_manager_SOURCES = 				\
 	mbpanelmgr.c			        
 
-matchbox_panel_manager_LDADD = @MBPANELMGR_LIBS@
+matchbox_panel_manager_LDADD = @MBPANELMGR_LIBS@ -lX11
 
 desktopdir = $(datadir)/applications/
 pixmapsdir = $(datadir)/pixmaps/