diff --git a/os_dep/mlme_linux.c b/os_dep/mlme_linux.c
index 054c268..12fe369 100644
--- a/os_dep/mlme_linux.c
+++ b/os_dep/mlme_linux.c
@@ -120,7 +120,7 @@ void _dynamic_check_timer_handler(struct timer_list *t)
 
 #ifdef CONFIG_SET_SCAN_DENY_TIMER
 #if LINUX_VERSION_CODE < KERNEL_VERSION(4, 15, 0)
-istatic void _rtw_set_scan_deny_timer_hdl(void *FunctionContext)
+static void _rtw_set_scan_deny_timer_hdl(void *FunctionContext)
 #else
 static void _rtw_set_scan_deny_timer_hdl(struct timer_list *t)
 #endif