diff --git a/scripts/install b/scripts/install
index 88040b2..fcb659b 100755
--- a/scripts/install
+++ b/scripts/install
@@ -225,8 +225,11 @@ ynh_store_file_checksum --file="/etc/nginx/conf.d/$domain.d/$app.conf"
 ynh_script_progression --message="Securing files and directories..." --weight=1
 
 # Set permissions to app files
-chown -R root: $final_path
-chown $app: $final_path
+chmod 750 "$final_path"
+chmod -R o-rwx "$final_path"
+chown -R root: "$final_path"
+chown $app: "$final_path"
+
 mkdir -p "$final_path/live/log"
 chown -R $app: "$final_path/live/log/"
 mkdir -p "$final_path/live/tmp"
diff --git a/scripts/restore b/scripts/restore
index e2d51a7..a83f92c 100755
--- a/scripts/restore
+++ b/scripts/restore
@@ -80,12 +80,16 @@ ynh_system_user_create --username=$app --home_dir=$final_path
 #=================================================
 
 # Restore permissions on app files
-chown -R root: $final_path
-chown $app: $final_path
+chmod 750 "$final_path"
+chmod -R o-rwx "$final_path"
+chown -R root: "$final_path"
+chown $app: "$final_path"
+
 mkdir -p "$final_path/live/log"
 chown -R $app: "$final_path/live/log/"
 mkdir -p "$final_path/live/tmp"
 chown -R $app: "$final_path/live/tmp/"
+
 mkdir -p "/var/log/$app"
 chown -R $app: "/var/log/$app"
 
diff --git a/scripts/upgrade b/scripts/upgrade
index 69c285b..b566fff 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -323,8 +323,11 @@ ynh_store_file_checksum --file="/etc/nginx/conf.d/$domain.d/$app.conf"
 #=================================================
 
 # Set permissions to app files
-chown -R root: $final_path
-chown $app: $final_path
+chmod 750 "$final_path"
+chmod -R o-rwx "$final_path"
+chown -R root: "$final_path"
+chown $app: "$final_path"
+
 mkdir -p "$final_path/live/log"
 chown -R $app: "$final_path/live/log/"
 mkdir -p "$final_path/live/tmp"