diff --git a/polymer/eduke32/source/game.c b/polymer/eduke32/source/game.c
index e623fcbfe..d5d2d909b 100644
--- a/polymer/eduke32/source/game.c
+++ b/polymer/eduke32/source/game.c
@@ -3567,7 +3567,7 @@ void G_DrawRooms(int32_t snum, int32_t smoothratio)
                     yax_preparedrawrooms();
                     drawrooms(tposx,tposy,ud.camera.z,tang,ud.camerahoriz,g_mirrorSector[i]+MAXSECTORS);
                     g_yax_smoothratio = smoothratio;
-                    yax_drawrooms(G_AnalyzeSprites, ud.camerahoriz, g_mirrorSector[i]+MAXSECTORS);
+                    yax_drawrooms(G_AnalyzeSprites, ud.camerahoriz, g_mirrorSector[i]);
                 }
 #ifdef USE_OPENGL
                 else
diff --git a/polymer/eduke32/source/gameexec.c b/polymer/eduke32/source/gameexec.c
index f9f5148f1..0fdd8224e 100644
--- a/polymer/eduke32/source/gameexec.c
+++ b/polymer/eduke32/source/gameexec.c
@@ -2366,7 +2366,7 @@ nullquote:
                         yax_preparedrawrooms();
                         drawrooms(tposx,tposy,z,tang,horiz,g_mirrorSector[i]+MAXSECTORS);
                         g_yax_smoothratio = smoothratio;
-                        yax_drawrooms(G_AnalyzeSprites, horiz, g_mirrorSector[i]+MAXSECTORS);
+                        yax_drawrooms(G_AnalyzeSprites, horiz, g_mirrorSector[i]);
 
                         display_mirror = 1;
                         G_DoSpriteAnimations(tposx,tposy,tang,smoothratio);