diff --git a/docs/build_mingw_windows.txt b/docs/build_mingw_windows.txt
index f2b03237..954659ac 100644
--- a/docs/build_mingw_windows.txt
+++ b/docs/build_mingw_windows.txt
@@ -25,6 +25,7 @@ make libgsasl
 make sdl_mixer
 make tinyxml
 make libircclient
+make protobuf
 (this takes quite some time)
 
 5. As the user you would like to use to compile PokerTH for Windows,