diff --git a/polymer/eduke32/build/src/build.c b/polymer/eduke32/build/src/build.c
index 32dbe681a..8f20d829f 100644
--- a/polymer/eduke32/build/src/build.c
+++ b/polymer/eduke32/build/src/build.c
@@ -491,6 +491,13 @@ void M32_ResetFakeRORTiles(void)
 void M32_DrawRoomsAndMasks(void)
 {
     static int srchwall = -1;
+    const int32_t tmpyx=yxaspect, tmpvr=viewingrange;
+
+    if (r_usenewaspect)
+    {
+        newaspect_enable = 1;
+        setaspect_new();
+    }
 
     VM_OnEvent(EVENT_PREDRAW3DSCREEN, -1);
 
@@ -532,6 +539,12 @@ void M32_DrawRoomsAndMasks(void)
         screencapture("mcapxxxx.tga", 0, "Mapster32, from script");
         g_doScreenShot = 0;
     }
+
+    if (r_usenewaspect)
+    {
+        newaspect_enable = 0;
+        setaspect(tmpvr, tmpyx);
+    }
 }
 
 int32_t app_main(int32_t argc, const char **argv)
@@ -555,7 +568,6 @@ int32_t app_main(int32_t argc, const char **argv)
     wm_setapptitle(AppProperName);
 
     editstatus = 1;
-    newaspect_enable = 1;
 
     if ((i = CallExtPreInit(argc,argv)) < 0) return -1;
 
diff --git a/polymer/eduke32/source/astub.c b/polymer/eduke32/source/astub.c
index dfbf99b8e..b761ef69f 100644
--- a/polymer/eduke32/source/astub.c
+++ b/polymer/eduke32/source/astub.c
@@ -3657,22 +3657,20 @@ static void drawtileinfo(const char *title,int32_t x,int32_t y,int32_t picnum,in
 {
     char buf[64];
     int32_t small = (xdimgame<=640);
-    int32_t oviewingrange=viewingrange, oyxaspect=yxaspect;
 
     if (tilesiz[picnum].x>0 && tilesiz[picnum].y>0)
     {
-        double scalediv;
-        int32_t scale=65536;
         int32_t x1 = x+80;
 
         if (small)
             x1 /= 2;
 
         x1 = (int32_t)(x1 * 320.0/xdimgame);
-        scalediv = max(tilesiz[picnum].x,tilesiz[picnum].y)/24.0;
-        scale = (int32_t)((double)scale/scalediv);
+        const double scalediv = max(tilesiz[picnum].x,tilesiz[picnum].y)/24.0;
+        const int32_t scale = (int32_t)(65536.0/scalediv);
 
-        setaspect(65536L, (int32_t)divscale16(ydim*320L,xdim*200L));
+        const int32_t oviewingrange=viewingrange, oyxaspect=yxaspect;
+        setaspect(65536, divscale16(ydim*320, xdim*200));
         // +1024: prevents rotatesprite from setting aspect itself
         rotatesprite_fs((x1+13)<<16,(y+11)<<16,scale,0, picnum,shade,pal, 2+1024);
         setaspect(oviewingrange, oyxaspect);