diff --git a/gdbstub.c b/gdbstub.c
index b470aec..b92ba59 100644
--- a/gdbstub.c
+++ b/gdbstub.c
@@ -48,6 +48,7 @@
 #include "qemu/sockets.h"
 #include "sysemu/hw_accel.h"
 #include "sysemu/kvm.h"
+#include "sysemu/runstate.h"
 #include "hw/semihosting/semihost.h"
 #include "exec/exec-all.h"