diff --git a/polymer/eduke32/source/actors.c b/polymer/eduke32/source/actors.c
index 483539bf6..b08dd8c5a 100644
--- a/polymer/eduke32/source/actors.c
+++ b/polymer/eduke32/source/actors.c
@@ -4497,7 +4497,7 @@ ACTOR_STATIC void G_MoveActors(void)
             goto BOLT;
         }
 
-        case BOUNCEMINE__STATIC:
+//        case BOUNCEMINE__STATIC:
         case MORTER__STATIC:
             j = A_Spawn(i,(PLUTOPAK?FRAMEEFFECT1:FRAMEEFFECT1_13));
             actor[j].t_data[0] = 3;
diff --git a/polymer/eduke32/source/actors.h b/polymer/eduke32/source/actors.h
index 3a8245d29..a7bd8e606 100644
--- a/polymer/eduke32/source/actors.h
+++ b/polymer/eduke32/source/actors.h
@@ -143,6 +143,7 @@ typedef struct {
     int16_t picnum,ang,extra,owner; //8b
     int16_t movflag,tempang,timetosleep; //6b
 
+    // NOTE: 'dispicnum' is updated locally, not in sync with the game!
     int16_t actorstayput, dispicnum;
 #if !defined LUNATIC
     // NOTE: shootzvel is not used any more.
diff --git a/polymer/eduke32/source/game.c b/polymer/eduke32/source/game.c
index 94f6981fc..f811da1f9 100644
--- a/polymer/eduke32/source/game.c
+++ b/polymer/eduke32/source/game.c
@@ -8094,11 +8094,11 @@ skip:
         }
 
         actor[i].dispicnum = t->picnum;
+#if 0
         // why?
-        /*
-                if (sector[t->sectnum].floorpicnum == MIRROR)
-                    t->xrepeat = t->yrepeat = 0;
-        */
+        if (sector[t->sectnum].floorpicnum == MIRROR)
+            t->xrepeat = t->yrepeat = 0;
+#endif
     }
 
     if (VM_HaveEvent(EVENT_ANIMATESPRITES))