diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index c5ffe4715b..91e8b717bf 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,9 @@
+2016-08-11  Pedro Alves  <palves@redhat.com>
+
+	PR gdb/20413
+	* nat/linux-ptrace.c: Include <sys/procfs.h> instead of
+	"gregset.h".
+
 2016-08-10  Pedro Alves  <palves@redhat.com>
 
 	PR gdb/19187
diff --git a/gdb/nat/linux-ptrace.c b/gdb/nat/linux-ptrace.c
index 980ed53c73..f00f179474 100644
--- a/gdb/nat/linux-ptrace.c
+++ b/gdb/nat/linux-ptrace.c
@@ -23,7 +23,7 @@
 #include "buffer.h"
 #include "gdb_wait.h"
 #include "gdb_ptrace.h"
-#include "gregset.h"
+#include <sys/procfs.h>
 
 /* Stores the ptrace options supported by the running kernel.
    A value of -1 means we did not check for features yet.  A value