diff --git a/src/pic.c b/src/pic.c
index 09ccf5d03..cb4cc109e 100644
--- a/src/pic.c
+++ b/src/pic.c
@@ -225,12 +225,7 @@ find_best_interrupt(pic_t *dev)
 static __inline void
 pic_update_pending_xt(void)
 {
-    if (find_best_interrupt(&pic) != -1) {
-        latched++;
-        if (latched == 1)
-            timer_on_auto(&pic_timer, 0.35);
-    } else if (latched == 0)
-        pic.int_pending = 0;
+    pic.int_pending = (find_best_interrupt(&pic) != -1);
 }
 
 static __inline void
@@ -248,11 +243,7 @@ pic_callback(void *priv)
 {
     pic_t *dev = (pic_t *) priv;
 
-    dev->int_pending = 1;
-
-    latched--;
-    if (latched > 0)
-        timer_on_auto(&pic_timer, 0.35);
+    update_pending();
 }
 
 void
@@ -501,7 +492,10 @@ pic_write(uint16_t addr, uint8_t val, void *priv)
                 break;
             case STATE_NONE:
                 dev->imr = val;
-                update_pending();
+                if (is286)
+                    update_pending();
+                else
+                    timer_on_auto(&pic_timer, .0 * ((10000000.0 * (double) xt_cpu_multi) / (double) cpu_s->rspeed));
                 break;
 
             default: