diff --git a/backend/src/middleware/requireWorkspaceAuth.ts b/backend/src/middleware/requireWorkspaceAuth.ts
index 3d1259a39..56c24528c 100644
--- a/backend/src/middleware/requireWorkspaceAuth.ts
+++ b/backend/src/middleware/requireWorkspaceAuth.ts
@@ -35,7 +35,7 @@ const requireWorkspaceAuth = ({
 
 			if (
 				req.serviceTokenData 
-				&& req.serviceTokenData.workspace !== workspaceId
+				&& req.serviceTokenData.workspace.toString() !== workspaceId
 				&& req.serviceTokenData.environment !== req.body.environment
 			) {
 				next(UnauthorizedRequestError({message: 'Unable to authenticate workspace'}))