diff --git a/gio/gdbusmethodinvocation.c b/gio/gdbusmethodinvocation.c
index c5224be23..91a7e3967 100644
--- a/gio/gdbusmethodinvocation.c
+++ b/gio/gdbusmethodinvocation.c
@@ -29,6 +29,7 @@
 #include "gdbusintrospection.h"
 #include "gdbuserror.h"
 #include "gdbusprivate.h"
+#include "gioerror.h"
 
 #ifdef G_OS_UNIX
 #include "gunixfdlist.h"