diff --git a/NEWS b/NEWS
index 0d912850..78e3611d 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,8 @@
+18 August 2015: Overview of changes in 2.31.90.1
+================================================
+* Darwin:
+  - Fixed build.
+
 16 August 2015: Overview of changes in 2.31.90
 =============================================
 * ABI changes:
diff --git a/sysdeps/darwin/glibtop_suid.h b/sysdeps/darwin/glibtop_suid.h
index 165a4d45..df8edd00 100644
--- a/sysdeps/darwin/glibtop_suid.h
+++ b/sysdeps/darwin/glibtop_suid.h
@@ -22,6 +22,8 @@
 
 G_BEGIN_DECLS
 
+#include <glibtop_machine.h>
+
 static inline void glibtop_suid_enter (glibtop *server) {
 	setreuid (server->machine->uid, server->machine->euid);
 };
diff --git a/sysdeps/darwin/open.c b/sysdeps/darwin/open.c
index 4fc77ac1..577b5193 100644
--- a/sysdeps/darwin/open.c
+++ b/sysdeps/darwin/open.c
@@ -23,6 +23,8 @@
 #include <glibtop/cpu.h>
 #include <glibtop/open.h>
 
+#include <glibtop_machine.h>
+
 #include <mach/mach_host.h>
 #include <mach/mach_init.h>
 #include <mach/mach_interface.h>