diff --git a/config/samples/echo/sample_echo_grpc.yaml b/config/samples/echo/sample_echo_grpc.yaml
index b8a93f1..86e63a2 100644
--- a/config/samples/echo/sample_echo_grpc.yaml
+++ b/config/samples/echo/sample_echo_grpc.yaml
@@ -17,6 +17,6 @@ spec:
   serverChain:
     - name: firwall # Name of the first element in the server chain
       file: <APPNET_DIR_PATH>/config/samples/echo/firewall.appnet # Path to the firewall element file
-  proto: <APPNET_DIR_PATH>/config/samples/echo/echo.proto # Path to the protobuf definition of client service to server service communication
+  proto: <APPNET_DIR_PATH>/go-lib/sample/echo-pb/echo.proto # Path to the protobuf definition of client service to server service communication
   protoModName: github.com/appnet-org/golib/sample/echo-pb 
   protoModLocation: <APPNET_DIR_PATH>/go-lib/sample/echo-pb
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