From e7f758f38074f3cbc99cb32140552a9f8733f1b2 Mon Sep 17 00:00:00 2001
From: lewa_j <lewa.j20@gmail.com>
Date: Mon, 12 Jan 2026 03:20:58 +0300
Subject: [PATCH] engine: ref: Fix crash on invalid ref lib

---
 engine/client/ref_common.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/engine/client/ref_common.c b/engine/client/ref_common.c
index 4cc9106d..ed40be5b 100644
--- a/engine/client/ref_common.c
+++ b/engine/client/ref_common.c
@@ -466,7 +466,8 @@ static void R_UnloadProgs( void )
 	if( !ref.hInstance ) return;
 
 	// deinitialize renderer
-	ref.dllFuncs.R_Shutdown();
+	if (ref.dllFuncs.R_Shutdown)
+		ref.dllFuncs.R_Shutdown();
 
 	Cvar_FullSet( "host_refloaded", "0", FCVAR_READ_ONLY );