diff --git a/scripts/upgrade b/scripts/upgrade
index f3f5e10..b519a18 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -102,8 +102,11 @@ then
 	tmpdir="$(mktemp -d)"
 	
 	# Backup the config file in the temp dir
-	cp -a "$final_path/config/local-production.json" "$tmpdir/local-production.json"
 	cp -a "$final_path/config/production.yaml" "$tmpdir/production.yaml"
+	if [ -s "$final_path/config/local-production.json" ]
+	then
+		cp -a "$final_path/config/local-production.json" "$tmpdir/local-production.json"
+	fi
 	
 	# Remove the app directory securely
 	ynh_secure_remove --file="$final_path"