diff --git a/install_manually.md b/install_manually.md
index 4ec8bc29..5b5e9a1a 100644
--- a/install_manually.md
+++ b/install_manually.md
@@ -8,7 +8,7 @@ Once you have access to your server, either directly or by SSH, you can install
 
 1. Install git
 ```bash
-sudo apt-get install git
+sudo apt-get install git dialog
 ```
 
 2. Clone the Yunohost install script repository
@@ -40,4 +40,4 @@ cd /tmp/install_script && sudo ./install_yunohost
 
 ---
 
-*Once the installation is finished, you may want to proceed to post-installation: **[yunohost.org/postinstall](/postinstall)** *
\ No newline at end of file
+*Once the installation is finished, you may want to proceed to post-installation: **[yunohost.org/postinstall](/postinstall)** *
diff --git a/install_manually_fr.md b/install_manually_fr.md
index 966159c9..8fc55610 100644
--- a/install_manually_fr.md
+++ b/install_manually_fr.md
@@ -8,7 +8,7 @@ Une fois que vous avez accès à votre serveur, directement ou par SSH, vous pou
 
 1. Installez git
 ```bash
-sudo apt-get install git
+sudo apt-get install git dialog
 ```
 
 2. Clonez le dépôt du script d’installation de YunoHost