diff --git a/I7000/i701_cpu.c b/I7000/i701_cpu.c
index 2290e673..cc76ef8a 100644
--- a/I7000/i701_cpu.c
+++ b/I7000/i701_cpu.c
@@ -223,6 +223,7 @@ sim_instr(void)
                 else
                     break;      /* process */
             }
+            sim_interval--;
         }
 
         if (iowait == 0 && sim_brk_summ && sim_brk_test(IC, SWMASK('E'))) {