diff --git a/setup.py b/setup.py
--- a/setup.py
+++ b/setup.py
@@ -13,5 +13,5 @@ setup(
     description      = "A Python port of the YUI CSS compression algorithm.",
     py_modules       = ['cssmin'],
     package_dir      = {'': 'src'},
-    entry_points     = {'console_scripts': ['cssmin = cssmin:main']},
+    entry_points     = {'console_scripts': ['python-cssmin = cssmin:main']},
 )
diff --git a/src/cssmin.py b/src/cssmin.py
--- a/src/cssmin.py
+++ b/src/cssmin.py
@@ -209,7 +209,7 @@ def main():
     import sys
 
     p = optparse.OptionParser(
-        prog="cssmin", version=__version__,
+        prog="python-cssmin", version=__version__,
         usage="%prog [--wrap N]",
         description="""Reads raw CSS from stdin, and writes compressed CSS to stdout.""")