diff --git a/glib/gbuffer.c b/glib/gbuffer.c
index 2ab01b31b..4eb83df00 100644
--- a/glib/gbuffer.c
+++ b/glib/gbuffer.c
@@ -19,6 +19,8 @@
  * Author: Ryan Lortie <desrt@desrt.ca>
  */
 
+#include "config.h"
+
 #include "gbuffer.h"
 
 #include <glib/gstrfuncs.h>
diff --git a/glib/gurifuncs.c b/glib/gurifuncs.c
index 5fc4a3037..5f1ef713f 100644
--- a/glib/gurifuncs.c
+++ b/glib/gurifuncs.c
@@ -20,6 +20,8 @@
  * Author: Alexander Larsson <alexl@redhat.com>
  */
 
+#include "config.h"
+
 #include "gurifuncs.h"
 
 #include <glib/gstrfuncs.h>
diff --git a/glib/gvariant-serialiser.c b/glib/gvariant-serialiser.c
index e21b9ac98..f92d49bf3 100644
--- a/glib/gvariant-serialiser.c
+++ b/glib/gvariant-serialiser.c
@@ -21,6 +21,8 @@
  */
 
 /* Prologue {{{1 */
+#include "config.h"
+
 #include "gvariant-serialiser.h"
 
 #include <glib/gtestutils.h>
diff --git a/glib/gvarianttype.c b/glib/gvarianttype.c
index deef7ede2..6581c55ca 100644
--- a/glib/gvarianttype.c
+++ b/glib/gvarianttype.c
@@ -20,6 +20,8 @@
  * Author: Ryan Lortie <desrt@desrt.ca>
  */
 
+#include "config.h"
+
 #include "gvarianttype.h"
 
 #include <glib/gtestutils.h>
diff --git a/glib/gvarianttypeinfo.c b/glib/gvarianttypeinfo.c
index 3b94accc7..ee94cb8f9 100644
--- a/glib/gvarianttypeinfo.c
+++ b/glib/gvarianttypeinfo.c
@@ -20,6 +20,8 @@
  * Author: Ryan Lortie <desrt@desrt.ca>
  */
 
+#include "config.h"
+
 #include "gvarianttypeinfo.h"
 
 #include <glib/gtestutils.h>