diff --git a/lgsm/modules/check_deps.sh b/lgsm/modules/check_deps.sh
index b031898970..7f95d03421 100755
--- a/lgsm/modules/check_deps.sh
+++ b/lgsm/modules/check_deps.sh
@@ -272,7 +272,7 @@ fn_deps_detector() {
 		array_deps_required=("${array_deps_required[@]/steamcmd/}")
 		steamcmdstatus=1
 		return
-	elif [ "${deptocheck}" == "steamcmd" ] && [ "${distroid}" == "debian" ] && ! grep -qE '[^deb]+non-free([^-]|$)' /etc/apt/sources.list; then
+	elif [ "${deptocheck}" == "steamcmd" ] && [ "${distroid}" == "debian" ] && ! grep -qE '[^deb]+non-free([^-]|$)' /etc/apt/sources.list /etc/apt/sources.list.d/*.list /etc/apt/sources.list.d/*.sources 2> /dev/null; then
 		array_deps_required=("${array_deps_required[@]/steamcmd/}")
 		steamcmdstatus=1
 		return