diff --git a/src/activity.c b/src/activity.c
index 51fea7e40..8a306063a 100644
--- a/src/activity.c
+++ b/src/activity.c
@@ -1327,7 +1327,7 @@ static int cli_io_handler_show_tasks(struct appctx *appctx)
 			t = eb32_entry(rqnode, struct task, rq);
 			entry = sched_activity_entry(tmp_activity, t->process, NULL);
 			if (t->wake_date) {
-				lat = now_ns - t->wake_date;
+				lat = (uint32_t)now_ns - t->wake_date;
 				if ((int64_t)lat > 0)
 					entry->lat_time += lat;
 			}
@@ -1344,7 +1344,7 @@ static int cli_io_handler_show_tasks(struct appctx *appctx)
 			t = eb32_entry(rqnode, struct task, rq);
 			entry = sched_activity_entry(tmp_activity, t->process, NULL);
 			if (t->wake_date) {
-				lat = now_ns - t->wake_date;
+				lat = (uint32_t)now_ns - t->wake_date;
 				if ((int64_t)lat > 0)
 					entry->lat_time += lat;
 			}
@@ -1357,7 +1357,7 @@ static int cli_io_handler_show_tasks(struct appctx *appctx)
 			t = (const struct task *)tl;
 			entry = sched_activity_entry(tmp_activity, t->process, NULL);
 			if (!TASK_IS_TASKLET(t) && t->wake_date) {
-				lat = now_ns - t->wake_date;
+				lat = (uint32_t)now_ns - t->wake_date;
 				if ((int64_t)lat > 0)
 					entry->lat_time += lat;
 			}
@@ -1370,7 +1370,7 @@ static int cli_io_handler_show_tasks(struct appctx *appctx)
 				t = (const struct task *)tl;
 				entry = sched_activity_entry(tmp_activity, t->process, NULL);
 				if (!TASK_IS_TASKLET(t) && t->wake_date) {
-					lat = now_ns - t->wake_date;
+					lat = (uint32_t)now_ns - t->wake_date;
 					if ((int64_t)lat > 0)
 						entry->lat_time += lat;
 				}