diff --git a/youtube-dl-install.sh b/youtube-dl-install.sh
index 3d426ea..9a30620 100644
--- a/youtube-dl-install.sh
+++ b/youtube-dl-install.sh
@@ -1,9 +1,15 @@
 #! /bin/bash
 
-if [ ! $(which zenity) ];then
+if ! which zenity ;then
 echo "Zenity n'est pas installé, installer zenity et relancer le script.";exit
 fi
 
+if ! which ffmpeg ; then
+echo "ffmpeg n'est pas installé, mais est requis.";exit
+exit
+fi
+
+
 #---------------------------------------------------------
 # Variables
 #---------------------------------------------------------
@@ -64,11 +70,6 @@ EOF
 f_TouchePourContinuer
 clear
 
-if ! which ffmpeg ; then
-echo "ffmpeg n'est pas installé, mais est requis.";exit
-exit
-fi
-
 #---------------------------------------------------------
 # Installation youtube-dl
 #---------------------------------------------------------