diff -ruN ristretto-0.8.2.orig/src/Makefile.am ristretto-0.8.2/src/Makefile.am
--- ristretto-0.8.2.orig/src/Makefile.am	2017-06-27 00:00:00.000000000 +0200
+++ ristretto-0.8.2/src/Makefile.am	2017-06-27 00:00:00.000000000 +0200
@@ -26,6 +26,7 @@
 	$(GTK_CFLAGS) \
 	$(GLIB_CFLAGS) \
 	$(GTHREAD_CFLAGS) \
+	$(DBUS_GLIB_CFLAGS) \
 	$(GIO_CFLAGS) \
 	$(GIO_UNIX_CFLAGS) \
 	$(LIBEXIF_CFLAGS) \
@@ -44,6 +45,7 @@
 	$(GTK_LIBS) \
 	$(GLIB_LIBS) \
 	$(GTHREAD_LIBS) \
+	$(DBUS_GLIB_LIBS) \
 	$(GIO_LIBS) \
 	$(GIO_UNIX_LIBS) \
 	$(LIBEXIF_LIBS) \
diff -ruN ristretto-0.8.2.orig/src/Makefile.in ristretto-0.8.2/src/Makefile.in
--- ristretto-0.8.2.orig/src/Makefile.in	2017-06-27 00:00:00.000000000 +0200
+++ ristretto-0.8.2/src/Makefile.in	2017-06-27 00:00:00.000000000 +0200
@@ -402,6 +402,7 @@
 	$(GTK_CFLAGS) \
 	$(GLIB_CFLAGS) \
 	$(GTHREAD_CFLAGS) \
+	$(DBUS_GLIB_CFLAGS) \
 	$(GIO_CFLAGS) \
 	$(GIO_UNIX_CFLAGS) \
 	$(LIBEXIF_CFLAGS) \
@@ -420,6 +421,7 @@
 	$(GTK_LIBS) \
 	$(GLIB_LIBS) \
 	$(GTHREAD_LIBS) \
+	$(DBUS_GLIB_LIBS) \
 	$(GIO_LIBS) \
 	$(GIO_UNIX_LIBS) \
 	$(LIBEXIF_LIBS) \