diff --git a/[refs] b/[refs]
index bff5f43aa0dc..380b6b588ceb 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 296cd66f7f6e130fe08e6880ecb13c3fc615a8db
+refs/heads/master: 3787fa6df5bb6e80b274ff805e10b6a9bfc4588c
diff --git a/trunk/arch/um/os-Linux/sys-i386/registers.c b/trunk/arch/um/os-Linux/sys-i386/registers.c
index c6183e7aec3d..b487cbead1bd 100644
--- a/trunk/arch/um/os-Linux/sys-i386/registers.c
+++ b/trunk/arch/um/os-Linux/sys-i386/registers.c
@@ -5,6 +5,7 @@
  */
 
 #include <errno.h>
+#include <sys/ptrace.h>
 #include <asm/user.h>
 #include "kern_constants.h"
 #include "longjmp.h"