diff --git a/0-setup-linux.sh b/0-setup-linux.sh
index a1af917..d4cded2 100755
--- a/0-setup-linux.sh
+++ b/0-setup-linux.sh
@@ -116,7 +116,7 @@ if [[ -n "$DE" ]]; then
     echo
     color_cyan
     echo "----------------------------------------------------------------"
-    printf "Detected Desktop Environment: %s (%s)\n" "$DE" "${DE_RAW}"
+    printf "Detected Desktop Environment: %s (%s)\n" "$DE" "${DE_RAW:-unknown}"
     echo "----------------------------------------------------------------"
     color_reset
 else