From af88c5baea831b39a805f1719abd52ea23194419 Mon Sep 17 00:00:00 2001
From: "Clarence \"Sparr\" Risher" <sparr0@gmail.com>
Date: Thu, 26 Dec 2024 18:17:34 -0500
Subject: [PATCH] Avoid error when CUPROTOCOMPAT is empty

---
 steamtinkerlaunch | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/steamtinkerlaunch b/steamtinkerlaunch
index 392f0942..ab1aed8e 100755
--- a/steamtinkerlaunch
+++ b/steamtinkerlaunch
@@ -4403,7 +4403,7 @@ function needNewProton {
 }
 
 function dlCustomProton {
-	if [ "$CUPROTOCOMPAT" -eq 1 ]; then
+	if [[ -n "$CUPROTOCOMPAT" && "$CUPROTOCOMPAT" -eq 1 ]]; then
 		CUPROEXTDIR="$STEAMCOMPATOOLS"
 	else
 		CUPROEXTDIR="$CUSTPROTEXTDIR"