diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 63a1508c49b..3b656f48864 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,7 @@
+2019-11-24  Simon Marchi  <simon.marchi@efficios.com>
+
+	* m68k-linux-nat.c: Include gdbarch.h.
+
 2019-11-24  Tom Tromey  <tom@tromey.com>
 
 	* symfile.c (read_symbols): Update.
diff --git a/gdb/m68k-linux-nat.c b/gdb/m68k-linux-nat.c
index 91e68bae29c..959dbf44760 100644
--- a/gdb/m68k-linux-nat.c
+++ b/gdb/m68k-linux-nat.c
@@ -25,6 +25,7 @@
 #include "regcache.h"
 #include "target.h"
 #include "linux-nat.h"
+#include "gdbarch.h"
 
 #include "m68k-tdep.h"