diff --git a/src/libnm-glib-aux/nm-macros-internal.h b/src/libnm-glib-aux/nm-macros-internal.h
index 23cf2f55a7..e11742a15b 100644
--- a/src/libnm-glib-aux/nm-macros-internal.h
+++ b/src/libnm-glib-aux/nm-macros-internal.h
@@ -13,6 +13,7 @@
 #include <string.h>
 
 #include <gio/gio.h>
+#include <glib-unix.h>
 
 /*****************************************************************************/