diff --git a/B5500/b5500_urec.c b/B5500/b5500_urec.c
index e69e0e1d..d136efea 100644
--- a/B5500/b5500_urec.c
+++ b/B5500/b5500_urec.c
@@ -905,6 +905,7 @@ lpr_attach(UNIT * uptr, CONST char *file)
     t_stat              r;
     int                 u = (uptr - lpr_unit);
 
+    sim_switches |= SWMASK ('A');   /* Position to EOF */
     if ((r = attach_unit(uptr, file)) != SCPE_OK)
         return r;
     if ((sim_switches & SIM_SW_REST) == 0) {