Index: Makefile
--- Makefile.orig
+++ Makefile
@@ -10,7 +10,7 @@ CFLAGS	+= -g -I. $(XFT_CFLAGS) -DVERSION='"$(VERSION)"
 objs	:= file.o main.o opt.o pager.o sconf.o x.o xmalloc.o
 
 netwmpager: $(objs)
-	$(call cmd,ld,$(XFT_LIBS) -lm)
+	$(call cmd,ld,$(XFT_LIBS) -lX11 -lm)
 
 clean		+= *.o netwmpager
 distclean	+= config.mk