diff --git a/conf/0.9.8.src b/conf/0.9.8.src
deleted file mode 100644
index 0be6dec..0000000
--- a/conf/0.9.8.src
+++ /dev/null
@@ -1,6 +0,0 @@
-SOURCE_URL=https://fossil.kd2.org/garradin/uv/garradin-0.9.8.1.tar.bz2
-SOURCE_SUM=7cc64b51c9721c2dd7ee510f245bcfc4693ee07f74581ad74003906eb4716ef1
-SOURCE_SUM_PRG=sha256sum
-SOURCE_FORMAT=tar.bz2
-SOURCE_IN_SUBDIR=true
-SOURCE_FILENAME=
\ No newline at end of file
diff --git a/scripts/upgrade b/scripts/upgrade
index 21bf618..55fe4e4 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -24,13 +24,14 @@ phpversion=$(ynh_app_setting_get --app=$app --key=phpversion)
 #=================================================
 # CHECK VERSION
 #=================================================
-
 if ynh_compare_current_package_version --comparison lt --version 0.9.8.1~ynh1; then
-    ynh_setup_source --dest_dir="$final_path" --source_id="0.9.8"
+  ynh_print_info --message="Sorry your version is outdated and need first an update to version O.9.8.1 with the branch 0.9.8, proceed like that:
+   'sudo yunohost app upgrade garradin -u https://github.com/YunoHost-Apps/garradin_ynh/tree/0.9.8 --debug'"
+  ynh_die "Sorry your version is outdated and need first an update to version O.9.8.1"
+else
+  upgrade_type=$(ynh_check_app_version_changed)
 fi
 
-upgrade_type=$(ynh_check_app_version_changed)
-
 #=================================================
 # ENSURE DOWNWARD COMPATIBILITY
 #=================================================