diff --git a/arch/sim/src/sim/up_rptun.c b/arch/sim/src/sim/up_rptun.c
index 0a0274fb9c..b89d81841e 100644
--- a/arch/sim/src/sim/up_rptun.c
+++ b/arch/sim/src/sim/up_rptun.c
@@ -41,6 +41,7 @@
 #include <nuttx/fs/hostfs_rpmsg.h>
 #include <nuttx/rptun/rptun.h>
 #include <nuttx/serial/uart_rpmsg.h>
+#include <nuttx/syslog/syslog_rpmsg.h>
 
 #include "up_internal.h"