diff --git a/engine/client/gl_rmain.c b/engine/client/gl_rmain.c
index b305b99f..46813497 100644
--- a/engine/client/gl_rmain.c
+++ b/engine/client/gl_rmain.c
@@ -782,7 +782,7 @@ void R_DrawFog( void )
 	if( !RI.fogEnabled ) return;
 
 	pglEnable( GL_FOG );
-	if( CL_IsQuakeCompatible( ))
+	if( Host_IsQuakeCompatible( ))
 		pglFogi( GL_FOG_MODE, GL_EXP2 );
 	else pglFogi( GL_FOG_MODE, GL_EXP );
 	pglFogf( GL_FOG_DENSITY, RI.fogDensity );
diff --git a/engine/client/vid_common.c b/engine/client/vid_common.c
index ca4e2fe1..e9531d53 100644
--- a/engine/client/vid_common.c
+++ b/engine/client/vid_common.c
@@ -49,6 +49,7 @@ convar_t	*window_ypos;
 convar_t	*r_speeds;
 convar_t	*r_fullbright;
 convar_t	*r_norefresh;
+convar_t	*r_showtree;
 convar_t	*r_lighting_extended;
 convar_t	*r_lighting_modulate;
 convar_t	*r_lighting_ambient;
diff --git a/mainui b/mainui
index 792072b7..bee475b9 160000
--- a/mainui
+++ b/mainui
@@ -1 +1 @@
-Subproject commit 792072b73e3b2d9d6e0da1b9521959663973c98c
+Subproject commit bee475b934d48139e18cd4debf0c3f7196305fcb