diff --git a/configure.ac.in b/configure.ac.in
index 31e813b..b8a3576 100644
--- a/configure.ac.in
+++ b/configure.ac.in
@@ -139,6 +139,7 @@ AM_CONDITIONAL([HAVE_DBUS], [test "x$enable_dbus" = "xyes"])
 
 AS_IF([test "x$enable_dbus" = "xyes"],
 [
+  XDT_CHECK_PACKAGE([GIO_UNIX], [gio-unix-2.0], [2.42.0])
   AC_PATH_PROG([GDBUS_CODEGEN], [gdbus-codegen])
   AC_DEFINE([HAVE_DBUS], [1], [Define if DBUS support is enabled])
 ])
diff --git a/mousepad/Makefile.am b/mousepad/Makefile.am
index 7bd0f8c..0265fc0 100644
--- a/mousepad/Makefile.am
+++ b/mousepad/Makefile.am
@@ -97,10 +97,12 @@ mousepad_dbus_sources = \
 
 mousepad_CFLAGS += \
 	-DDBUS_API_SUBJECT_TO_CHANGE \
-	$(DBUS_CFLAGS)
+	$(DBUS_CFLAGS) \
+	$(GIO_UNIX_CFLAGS)
 
 mousepad_LDADD +=	\
-	$(DBUS_LIBS)
+	$(DBUS_LIBS) \
+	$(GIO_UNIX_LIBS)
 endif
 
 if WITH_KEYFILE_SETTINGS