diff --git a/PDP8/pdp8_dt.c b/PDP8/pdp8_dt.c
index 93b3c4af..49bb79a0 100644
--- a/PDP8/pdp8_dt.c
+++ b/PDP8/pdp8_dt.c
@@ -979,7 +979,7 @@ switch (fnc) {                                          /* at speed, check fnc *
                 dt_substate = DTO_WCO;
             if (((dtsa & DTA_MODE) == 0) || (M[DT_WC] == 0))
                 dtsb = dtsb | DTB_DTF;                  /* set DTF */
-                break;
+            break;
 
         case DTO_WCO: case DTO_WCO | DTO_SOB:           /* all done */
             dt_schedez (uptr, dir);                     /* sched end zone */
diff --git a/PDP8/pdp8_td.c b/PDP8/pdp8_td.c
index 7ae902f0..c97375d6 100644
--- a/PDP8/pdp8_td.c
+++ b/PDP8/pdp8_td.c
@@ -412,7 +412,7 @@ return FALSE;
 t_bool td_setpos (UNIT *uptr)
 {
 uint32 new_time, ut, ulin, udelt;
-int32 delta;
+int32 delta = 0;
 
 new_time = sim_grtime ();                               /* current time */
 ut = new_time - uptr->LASTT;                            /* elapsed time */