diff --git a/lib/sc-launch.sh b/lib/sc-launch.sh
index cab6883..a346cb6 100755
--- a/lib/sc-launch.sh
+++ b/lib/sc-launch.sh
@@ -32,7 +32,7 @@ export EOS_USE_ANTICHEATCLIENTNULL=1
 export __GL_SHADER_DISK_CACHE=1
 export __GL_SHADER_DISK_CACHE_SIZE=1073741824
 export __GL_SHADER_DISK_CACHE_PATH="$WINEPREFIX"
-export __GL_SHADER_DISK_CACHE_SKIP_CLEANUP=true
+export __GL_SHADER_DISK_CACHE_SKIP_CLEANUP=1
 # Mesa (AMD/Intel) Shader Cache Options
 export MESA_SHADER_CACHE_DIR="$WINEPREFIX"
 export MESA_SHADER_CACHE_MAX_SIZE="10G"