diff --git a/drivers/syslog/syslog_force.c b/drivers/syslog/syslog_force.c
index aebc6a6ced..418847371d 100644
--- a/drivers/syslog/syslog_force.c
+++ b/drivers/syslog/syslog_force.c
@@ -39,6 +39,7 @@
 
 #include <nuttx/config.h>
 
+#include <sys/types.h>
 #include <stdbool.h>
 #include <assert.h>