diff --git a/inxi b/inxi
index c5819d5..be1a8ac 100755
--- a/inxi
+++ b/inxi
@@ -7453,7 +7453,7 @@ get_optical_drive_data_bsd()
 				aDisks[nr, "serial"] = $NF
 			}
 			if ( $NF ~ /[GM]B\/s/ ){
-				speed=gensub(/^[0-9\.]+[[:space:]]*[GM]B\/s).*/,"\\1",1,$NF)
+				speed=gensub(/^([0-9\.]+[[:space:]]*[GM]B\/s).*/,"\\1",1,$NF)
 				sub(/\.[0-9]+/,"",speed)
 				if ( speed ~ /^[0-9]+/ ) {
 					aDisks[nr, "speed"] = speed