diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 980114919dfce9a236f0a98ced1006a623fa84c1..da45e7bce6a83e35e1238cccb1e7c9d7848016e6 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,7 @@
+2020-01-12  Simon Marchi  <simon.marchi@polymtl.ca>
+
+	* gdbsupport/gdb_wait.c: Include gdb_wait.h.
+
 2020-01-12  Pedro Alves  <palves@redhat.com>
 
 	* bsd-kvm.c (bsd_kvm_target::close): Call exit_inferior_silent
diff --git a/gdb/gdbsupport/gdb_wait.c b/gdb/gdbsupport/gdb_wait.c
index 6facc48495a330a0e9dd944cffeab0f7102aa893..32139949c62709ee975d68d372960a3033a9e640 100644
--- a/gdb/gdbsupport/gdb_wait.c
+++ b/gdb/gdbsupport/gdb_wait.c
@@ -19,6 +19,8 @@
 
 #include "common-defs.h"
 
+#include "gdb_wait.h"
+
 #ifdef __MINGW32__
 
 /* The underlying idea is that when a Windows program is terminated by