diff --git a/easybuild/easyblocks/p/python.py b/easybuild/easyblocks/p/python.py
index 6420d631e5..2232f5748e 100644
--- a/easybuild/easyblocks/p/python.py
+++ b/easybuild/easyblocks/p/python.py
@@ -189,7 +189,7 @@ def getcfg(self, *args, **kwargs):
         return self.mself.getcfg(*args, **kwargs)
 
 
-class eb_Nose(eb_DefaultPythonPackage):
+class eb_nose(eb_DefaultPythonPackage):
     """nose package"""
     def __init__(self, mself, pkg, pkginstalldeps):
         eb_DefaultPythonPackage.__init__(self, mself, pkg, pkginstalldeps)
@@ -227,7 +227,7 @@ def make(self):
         run_cmd(cmd, log_all=True, simple=True)
 
 
-class eb_Numpy(eb_FortranPythonPackage):
+class eb_numpy(eb_FortranPythonPackage):
     """numpy package"""
 
     def __init__(self, mself, pkg, pkginstalldeps):
@@ -310,7 +310,7 @@ def make_install(self):
             self.log.debug("build dir %s already clean" % builddir)
 
 
-class eb_Scipy(eb_FortranPythonPackage):
+class eb_scipy(eb_FortranPythonPackage):
     """scipy package"""
 
     def __init__(self, mself, pkg, pkginstalldeps):