diff --git a/var/spack/repos/builtin/packages/py-pydatalog/package.py b/var/spack/repos/builtin/packages/py-pydatalog/package.py
index efc9c9bbe81..da157d3679c 100644
--- a/var/spack/repos/builtin/packages/py-pydatalog/package.py
+++ b/var/spack/repos/builtin/packages/py-pydatalog/package.py
@@ -25,7 +25,7 @@
 from spack import *
 
 
-class PyDatalog(Package):
+class PyPydatalog(Package):
     """pyDatalog adds logic programming to Python."""
     homepage = 'https://pypi.python.org/pypi/pyDatalog/'
     url      = 'https://pypi.python.org/packages/09/0b/2670eb9c0027aacfb5b5024ca75e5fee2f1261180ab8797108ffc941158a/pyDatalog-0.17.1.zip'