diff --git a/doc/user/tutorials/building.txt b/doc/user/tutorials/building.txt
index 15e418d7b..62ff342cb 100644
--- a/doc/user/tutorials/building.txt
+++ b/doc/user/tutorials/building.txt
@@ -161,6 +161,7 @@ Version limitation::
 ------------------------------------------------------------
 git clone git://git.lumiera.org/debian/gdlmm
 cd gdlmm
+git checkout debian
 ./configure
 make
 sudo make install