diff --git a/manifest.json b/manifest.json
index 08388b3..e1fb316 100644
--- a/manifest.json
+++ b/manifest.json
@@ -5,7 +5,7 @@
     "description": {
         "en": "Video streaming platform using P2P directly in the web browser, connected to a federated network"
     },
-    "version": "1.0.0-beta.3-1",
+    "version": "1.0.0-beta.3-2",
     "url": "https://github.com/Chocobozzz/PeerTube",
     "license": "AGPL-3.0-only",
     "maintainer": {
diff --git a/scripts/install b/scripts/install
index e608e1a..044e55b 100644
--- a/scripts/install
+++ b/scripts/install
@@ -69,7 +69,7 @@ ynh_app_setting_set "$app" is_public "$is_public"
 #=================================================
 
 # Find a free port
-port=(ynh_find_port "9000")
+port=$(ynh_find_port 9000)
 # Open this port
 yunohost firewall allow Both "$port" 2>&1
 ynh_app_setting_set "$app" port "$port"
@@ -97,7 +97,7 @@ echo "deb http://httpredir.debian.org/debian jessie-backports main" | tee /etc/a
 ynh_package_update
 
 # install postgresql, ffmpeg, redis
-ynh_install_app_dependencies postgresql-9.4 ffmpeg redis-server redis-tools
+ynh_install_app_dependencies postgresql-9.4 ffmpeg redis-server redis-tools mailutils
 
 # install nodejs
 ynh_install_nodejs 8
diff --git a/scripts/restore b/scripts/restore
index 6ef80e6..8b2e303 100644
--- a/scripts/restore
+++ b/scripts/restore
@@ -100,7 +100,7 @@ echo "deb http://httpredir.debian.org/debian jessie-backports main" | tee /etc/a
 ynh_package_update
 
 # Define and install dependencies
-ynh_install_app_dependencies postgresql-9.4 ffmpeg redis-server redis-tools
+ynh_install_app_dependencies postgresql-9.4 ffmpeg redis-server redis-tools mailutils
 
 # install nodejs
 ynh_install_nodejs 8
diff --git a/scripts/upgrade b/scripts/upgrade
index a6ec8e6..a5ba2da 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -89,7 +89,7 @@ echo "deb http://httpredir.debian.org/debian jessie-backports main" | tee /etc/a
 ynh_package_update
 
 # install postgresql, ffmpeg, redis
-ynh_install_app_dependencies postgresql-9.4 ffmpeg redis-server redis-tools
+ynh_install_app_dependencies postgresql-9.4 ffmpeg redis-server redis-tools mailutils
 
 # install nodejs
 ynh_install_nodejs 8