diff --git a/drivers/net/ethernet/mscc/ocelot.c b/drivers/net/ethernet/mscc/ocelot.c
index 02350c3d9d01..efb3965a3e42 100644
--- a/drivers/net/ethernet/mscc/ocelot.c
+++ b/drivers/net/ethernet/mscc/ocelot.c
@@ -1467,7 +1467,7 @@ static void ocelot_port_attr_ageing_set(struct ocelot *ocelot, int port,
 					unsigned long ageing_clock_t)
 {
 	unsigned long ageing_jiffies = clock_t_to_jiffies(ageing_clock_t);
-	u32 ageing_time = jiffies_to_msecs(ageing_jiffies) / 1000;
+	u32 ageing_time = jiffies_to_msecs(ageing_jiffies);
 
 	ocelot_set_ageing_time(ocelot, ageing_time);
 }