diff --git a/inxi b/inxi
index 8e38017..1bd3783 100755
--- a/inxi
+++ b/inxi
@@ -6778,7 +6778,7 @@ print_optical_drive_data()
 			if [[ ${#A_OPTICAL_DRIVE_DATA[@]} -gt 1 ]];then
 				counter="-$(( i + 1 ))"
 			fi
-			if [[ -z $drive_id ]];then
+			if [[ -z ${a_drives[0]} ]];then
 				drive_id='N/A'
 			else
 				drive_id="/dev/${a_drives[0]}"