diff --git a/lib/www/server/lib/db/project/configuration/patch.js b/lib/www/server/lib/db/project/configuration/patch.js
index aacc03c..7fd4d26 100644
--- a/lib/www/server/lib/db/project/configuration/patch.js
+++ b/lib/www/server/lib/db/project/configuration/patch.js
@@ -22,7 +22,7 @@ async function patch (projectId, payload, opts = {}) {
 			throw { status: 404, message: "Not found" };
 		}
 
-		if (("id" in payload) && (projectId != payload.id)) {
+		if (("id" in payload) && (projectId.toLowerCase() != payload.id.toLowerCase())) {
 			throw {
 				status: 422,
 				message: "Project ID cannot be changed in this Dougal version"