diff --git a/.i3blocks/mpd b/.i3blocks/mpd
index 296e71d..31ba453 100755
--- a/.i3blocks/mpd
+++ b/.i3blocks/mpd
@@ -77,7 +77,7 @@ do
 	esac
 	
 	# Réinitialisation de l’état
-	unset o
+	unset o output
 	declare -A o
 	
 	# Récupération de l’état
@@ -87,7 +87,9 @@ do
 		[[ "$output" == "OK" ]] && break
 		o[${output%%:*}]="${output##*: }"
 	done
-	
+
+	unset output
+
 	# Récupération des informations du morceau en cours
 	echo "currentsong" >&$IN || self-reset
 	while read -t 1 -u $OUT output