diff --git a/doc/changes.rst b/doc/changes.rst
index ef3bf1d..0fc8189 100644
--- a/doc/changes.rst
+++ b/doc/changes.rst
@@ -5,7 +5,10 @@ Change Log
 3.2.2 (unreleased)
 ------------------
 
-* No changes yet.
+* Add module config support for packages like QuasarNP where the GitHub
+  name is capitalized by the python package isn't (PR `#173`_).
+
+.. _`#173`: https://github.com/desihub/desiutil/pull/173
 
 3.2.1 (2021-05-13)
 ------------------
diff --git a/py/desiutil/modules.py b/py/desiutil/modules.py
index 33a2ca9..4accae3 100644
--- a/py/desiutil/modules.py
+++ b/py/desiutil/modules.py
@@ -199,7 +199,10 @@ def configure_module(product, version, product_root, working_dir=None, dev=False
         module_keywords['needs_ld_lib'] = ''
     if isdir(join(working_dir, 'pro')):
         module_keywords['needs_idl'] = ''
-    if (exists(join(working_dir, 'setup.py')) and isdir(join(working_dir, product))):
+    if (exists(join(working_dir, 'setup.py')) and
+        (isdir(join(working_dir, product)) or
+         isdir(join(working_dir, product.lower())))
+        ):
         if dev:
             module_keywords['needs_trunk_py'] = ''
             module_keywords['trunk_py_dir'] = ''
diff --git a/py/desiutil/test/test_modules.py b/py/desiutil/test/test_modules.py
index 3b5233b..4c710f0 100644
--- a/py/desiutil/test/test_modules.py
+++ b/py/desiutil/test/test_modules.py
@@ -222,6 +222,35 @@ def test_configure_module(self):
             rmdir(join(self.data_dir, t))
         for t in test_files:
             remove(join(self.data_dir, t))
+        #
+        # Test mixed case product directory (Blat) vs. python package (blat)
+        #
+        test_dirs = ('blat',)
+        test_files = {'setup.py': '#!/usr/bin/env python\n'}
+        for t in test_dirs:
+            mkdir(join(self.data_dir, t))
+        for t in test_files:
+            with open(join(self.data_dir, t), 'w') as s:
+                s.write(test_files[t])
+        results['name'] = 'Blat'
+        results['version'] = '1.2.3'
+        results['needs_bin'] = '# '
+        results['needs_python'] = ''
+        results['needs_trunk_py'] = '# '
+        results['trunk_py_dir'] = '/py'
+        results['needs_ld_lib'] = '# '
+        results['needs_idl'] = '# '
+
+        conf = configure_module('Blat', '1.2.3', '/my/product/root',
+                                working_dir=self.data_dir)
+
+        for key in results:
+            self.assertEqual(conf[key], results[key], key)
+        for t in test_dirs:
+            rmdir(join(self.data_dir, t))
+        for t in test_files:
+            remove(join(self.data_dir, t))
+
 
     def test_process_module(self):
         """Test processing of module file templates.