diff --git a/dub.json b/dub.json
index e017a51..35d681b 100644
--- a/dub.json
+++ b/dub.json
@@ -11,5 +11,7 @@
 	"license": "LGPL v2.1",
 	"name": "libdnet",
 	"targetPath": "bin",
-	"targetType": "library"
+	"targetType": "library",
+	"preBuildCommands": ["protoc --plugin=\"$HOME/.dub/packages/protobuf-0.6.2/protobuf/protoc_gen_d/../build/protoc-gen-d\" source/libdnet/protobuf/dnet.proto --d_out=source/libdnet/protobuf/."
+	]
 }
\ No newline at end of file