diff --git a/scripts/install b/scripts/install
index 4ef12fd..0323aca 100644
--- a/scripts/install
+++ b/scripts/install
@@ -31,8 +31,8 @@ ynh_script_progression --message="Setting up source files..." --weight=4
 # Download, check integrity, uncompress and patch the source from app.src
 ynh_setup_source --dest_dir="$install_dir"
 
-chmod 750 "$final_path"
-chmod -R o-rwx "$final_path"
+chmod 750 "$install_dir"
+chmod -R o-rwx "$install_dir"
 chown -R $app:www-data "$install_dir"
 
 #=================================================
diff --git a/scripts/restore b/scripts/restore
index c891943..458d845 100644
--- a/scripts/restore
+++ b/scripts/restore
@@ -17,8 +17,8 @@ ynh_script_progression --message="Restoring the app main directory..." --weight=
 
 ynh_restore_file --origin_path="$install_dir"
 
-chmod 750 "$final_path"
-chmod -R o-rwx "$final_path"
+chmod 750 "$install_dir"
+chmod -R o-rwx "$install_dir"
 chmod 400 "$install_dir/config.json"
 chown $app:$app "$install_dir/config.json"
 
diff --git a/scripts/upgrade b/scripts/upgrade
index 4f159d5..7290c12 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -43,8 +43,8 @@ then
 	ynh_setup_source --dest_dir="$install_dir" --keep="config.json"
 fi
 
-chmod 750 "$final_path"
-chmod -R o-rwx "$final_path"
+chmod 750 "$install_dir"
+chmod -R o-rwx "$install_dir"
 chown -R $app:www-data "$install_dir"
 
 #=================================================