diff --git a/win/win32/mhmap.c b/win/win32/mhmap.c
index d5e6b116e..46a7ee1d0 100644
--- a/win/win32/mhmap.c
+++ b/win/win32/mhmap.c
@@ -982,13 +982,12 @@ paintGlyph(PNHMapWindow data, int i, int j, RECT * rect)
             ch = glyphinfo->gm.u->utf32ch;
         }
 #endif
-        if ((glyphinfo->gm.customcolor & NH_BASIC_COLOR) == 0) {
-            rgbcolor = RGB((glyphinfo->gm.customcolor >> 16) & 0xFF,
-                           (glyphinfo->gm.customcolor >>  8) & 0xFF,
-                           (glyphinfo->gm.customcolor >>  0) & 0xFF);
-        } else {
-            color = (int) COLORVAL(glyphinfo->gm.customcolor);
-            rgbcolor = nhcolor_to_RGB(color);
+        if (glyphinfo->gm.customcolor != 0
+            && (mswin_procs.wincap2 & WC2_EXTRACOLORS) != 0) {
+            if ((glyphinfo->gm.customcolor & NH_BASIC_COLOR) != 0) {
+                color = (int) COLORVAL(glyphinfo->gm.customcolor);
+                rgbcolor = nhcolor_to_RGB(color);
+            }
         }
         if (((data->map[i][j].gm.glyphflags & MG_PET) && iflags.hilite_pet)
             || ((data->map[i][j].gm.glyphflags & (MG_DETECT | MG_BW_LAVA