diff --git a/scripts/install b/scripts/install
index 0806fe0..b0760e9 100755
--- a/scripts/install
+++ b/scripts/install
@@ -40,6 +40,7 @@ ynh_script_progression --message="Setting up source files..." --weight=1
 # Download, check integrity, uncompress and patch the source from app.src
 ynh_setup_source --dest_dir="$install_dir" --source_id=$YNH_ARCH
 
+chmod 750 "$install_dir"
 chmod -R o-rwx "$install_dir"
 chown -R $app:www-data "$install_dir"
 chmod +x "$install_dir/tube"
diff --git a/scripts/restore b/scripts/restore
index 8a2b086..bc0b302 100755
--- a/scripts/restore
+++ b/scripts/restore
@@ -17,6 +17,7 @@ ynh_script_progression --message="Restoring the app main directory..." --weight=
 
 ynh_restore_file --origin_path="$install_dir"
 
+chmod 750 "$install_dir"
 chmod -R o-rwx "$install_dir"
 chown -R $app:www-data "$install_dir"
 
diff --git a/scripts/upgrade b/scripts/upgrade
index a27c6c3..161e122 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -77,6 +77,7 @@ then
 	ynh_setup_source --dest_dir="$install_dir"  --source_id=$YNH_ARCH --keep="config.json"
 fi
 
+chmod 750 "$install_dir"
 chmod -R o-rwx "$install_dir"
 chown -R $app:www-data "$install_dir"
 chmod +x "$install_dir/tube"