diff --git a/src/r_plane.c b/src/r_plane.c
index 3ec74bc47..a987fa330 100644
--- a/src/r_plane.c
+++ b/src/r_plane.c
@@ -644,6 +644,8 @@ static void R_DrawSkyPlane(visplane_t *pl)
 	// Because of this hack, sky is not affected
 	//  by sector colormaps (INVUL inverse mapping is not implemented in SRB2 so is irrelevant).
 	dc_colormap = colormaps;
+	if (encoremap)
+		dc_colormap += (256*32);
 	dc_texturemid = skytexturemid;
 	dc_texheight = textureheight[skytexture]
 		>>FRACBITS;