diff --git a/repos/dde_linux/src/lib/wifi/timer.cc b/repos/dde_linux/src/lib/wifi/timer.cc
index 61bfeaef2..f6a39814e 100644
--- a/repos/dde_linux/src/lib/wifi/timer.cc
+++ b/repos/dde_linux/src/lib/wifi/timer.cc
@@ -342,7 +342,6 @@ static void unblock_task(unsigned long task)
 
 signed long schedule_timeout(signed long timeout)
 {
-	long start = jiffies;
 	struct timer_list timer;
 
 	setup_timer(&timer, unblock_task, (unsigned long)Lx::scheduler().current());
@@ -352,7 +351,7 @@ signed long schedule_timeout(signed long timeout)
 
 	del_timer(&timer);
 
-	timeout -= (jiffies - start);
+	timeout = (timeout - jiffies);
 
 	return timeout < 0 ? 0 : timeout;
 }