diff --git a/src/Makefile.am b/src/Makefile.am
index fbea437..212b54a 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -12,7 +12,7 @@ BUILT_SOURCES = \
 wmvolman_SOURCES = main.c ui.h ui.c udisks.h udisks.c
 nodist_wmvolman_SOURCES = $(BUILT_SOURCES)
 wmvolman_CFLAGS = -DWMVM_ICONS_DIR=\"$(pkgdatadir)\" @GLIB2_CFLAGS@ @DBUS_GLIB_CFLAGS@
-wmvolman_LDADD = $(LIBOBJS) @X_LIBS@ -ldockapp @GLIB2_LIBS@ @DBUS_GLIB_LIBS@
+wmvolman_LDADD = $(LIBOBJS) @X_LIBS@ -ldockapp @GLIB2_LIBS@ @DBUS_GLIB_LIBS@ -lX11
 
 udisks-daemon-glue.h: /usr/share/dbus-1/interfaces/org.freedesktop.UDisks.xml Makefile.am
 	dbus-binding-tool --mode=glib-client --output=udisks-daemon-glue.h /usr/share/dbus-1/interfaces/org.freedesktop.UDisks.xml