diff --git a/polymer/eduke32/build/src/polymost.c b/polymer/eduke32/build/src/polymost.c
index 5334864a8..d0a70bc35 100644
--- a/polymer/eduke32/build/src/polymost.c
+++ b/polymer/eduke32/build/src/polymost.c
@@ -5032,6 +5032,9 @@ void polymost_drawsprite(int32_t snum)
     {
     case 0: //Face sprite
         //Project 3D to 2D
+        if (globalorientation&4) xoff = -xoff;
+        if (globalorientation&8) yoff = -yoff;
+
         sx0 = (float)(tspr->x-globalposx);
         sy0 = (float)(tspr->y-globalposy);
         xp0 = sy0*gcosang  - sx0*gsinang;