diff --git a/buildout/profiles/versions.cfg b/buildout/profiles/versions.cfg
index 45f4a09cce3a52b519f7ca04c96c6d3bdb52a468..ef3a1ac1c1ff16e478e6cba342a906feace48f2e 100644
--- a/buildout/profiles/versions.cfg
+++ b/buildout/profiles/versions.cfg
@@ -3,7 +3,7 @@
 erp5diff = 0.2
 python-memcached = 1.45
 PyXML = 0.8.4
-ipdb = 0.1dev_r1716
+ipdb = 0.1dev-r1716
 ipython = 0.10
 itools = 0.20.8
 numpy = 1.3.0