diff --git a/libmatchbox/tests/Makefile.in b/libmatchbox/tests/Makefile.in
index f68ef6a..3ffbe0b 100644
--- a/libmatchbox/tests/Makefile.in
+++ b/libmatchbox/tests/Makefile.in
@@ -54,7 +54,7 @@ dot_desktop_OBJECTS = $(am_dot_desktop_OBJECTS)
 dot_desktop_DEPENDENCIES =
 am_dump_image_OBJECTS = dump-image.$(OBJEXT)
 dump_image_OBJECTS = $(am_dump_image_OBJECTS)
-dump_image_LDADD = $(LDADD)
+dump_image_LDADD = $(LDADD) -lX11
 am__pixbuf_SOURCES_DIST = pixbuf.c oh.h
 @HAVE_CHECK_TRUE@am_pixbuf_OBJECTS = pixbuf.$(OBJEXT)
 pixbuf_OBJECTS = $(am_pixbuf_OBJECTS)