diff --git a/scripts/upgrade b/scripts/upgrade
index 8137857..97b7a89 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -100,7 +100,10 @@ path_url=$(ynh_normalize_url_path $path_url)
 
 # Download, check integrity, uncompress and patch the source from app.src
 #ynh_setup_source "$final_path"
-( cd $final_path/$app && git pull --quiet )
+pushd $final_path/$app
+    git reset --hard
+    git pull --quiet
+popd
 
 #=================================================
 # NGINX CONFIGURATION