diff --git a/pisi/__init__.py b/pisi/__init__.py
index a5f0f29e..aa27a785 100644
--- a/pisi/__init__.py
+++ b/pisi/__init__.py
@@ -12,7 +12,7 @@
 
 # PiSi version
 
-__version__ = "1.0rc3"
+__version__ = "1.0_rc3"
 
 __dbversion__ = "1.0"