diff --git a/vl.c b/vl.c
index 01d57d49fbc22a188af4354bd72fa092058500b6..2cfe23d9e163ab019c22b92702e617b72b5b6536 100644
--- a/vl.c
+++ b/vl.c
@@ -1527,21 +1527,21 @@ static int dynticks_start_timer(struct qemu_alarm_timer *t)
         return -1;
     }
 
-    t->priv = (void *)host_timer;
+    t->priv = (void *)(long)host_timer;
 
     return 0;
 }
 
 static void dynticks_stop_timer(struct qemu_alarm_timer *t)
 {
-    timer_t host_timer = (timer_t)t->priv;
+    timer_t host_timer = (timer_t)(long)t->priv;
 
     timer_delete(host_timer);
 }
 
 static void dynticks_rearm_timer(struct qemu_alarm_timer *t)
 {
-    timer_t host_timer = (timer_t)t->priv;
+    timer_t host_timer = (timer_t)(long)t->priv;
     struct itimerspec timeout;
     int64_t nearest_delta_us = INT64_MAX;
     int64_t current_us;