diff --git a/proto/prototool.yaml b/proto/prototool.yaml
index 44c532aa13..510471107c 100644
--- a/proto/prototool.yaml
+++ b/proto/prototool.yaml
@@ -16,6 +16,6 @@ generate:
       flags: plugins=grpc
       output: ../backend/proto
     - name: ts
-      path: ../frontend/node_modules/ts-protoc-gen/bin/protoc-gen-ts
+      path: frontend/node_modules/ts-protoc-gen/bin/protoc-gen-ts
       output: ../frontend/packages/proto/src/generated
       flags: service=grpc-web