diff --git a/merkledag/Makefile b/merkledag/Makefile
new file mode 100644
index 000000000..ec1a09650
--- /dev/null
+++ b/merkledag/Makefile
@@ -0,0 +1,5 @@
+
+all: node.pb.go
+
+node.pb.go: node.proto
+	protoc --gogo_out=. --proto_path=../../../../:/usr/local/opt/protobuf/include:. $<