diff --git a/pungi/phases/gather/link.py b/pungi/phases/gather/link.py
index d2af6779..4eba3c12 100644
--- a/pungi/phases/gather/link.py
+++ b/pungi/phases/gather/link.py
@@ -39,8 +39,18 @@ def _get_src_nevra(compose, pkg_obj, srpm_map):
 
 
 def get_package_path(filename, hashed_directory=False):
+    """Get path for filename. If ``hashed_directory`` is ``True``, the path
+    will include a prefix based on the initial letter.
+
+    >>> get_package_path('my-package.rpm')
+    'my-package.rpm'
+    >>> get_package_path('my-package.rpm', True)
+    'm/my-package.rpm'
+    >>> get_package_path('My-Package.rpm', True)
+    'm/My-Package.rpm'
+    """
     if hashed_directory:
-        prefix = filename[0]
+        prefix = filename[0].lower()
         return os.path.join(prefix, filename)
     return filename
 
diff --git a/tests/data/dummy-comps.xml b/tests/data/dummy-comps.xml
index 9bb65950..179635e7 100644
--- a/tests/data/dummy-comps.xml
+++ b/tests/data/dummy-comps.xml
@@ -45,7 +45,7 @@
     <default>false</default>
     <uservisible>false</uservisible>
     <packagelist>
-      <packagereq>dummy-firefox</packagereq>
+      <packagereq>Dummy-firefox</packagereq>
       <packagereq>dummy-icedtea-web</packagereq>
     </packagelist>
   </group>
diff --git a/tests/data/specs/dummy-firefox.spec b/tests/data/specs/Dummy-firefox.spec
similarity index 85%
rename from tests/data/specs/dummy-firefox.spec
rename to tests/data/specs/Dummy-firefox.spec
index 8c161696..29457ec7 100644
--- a/tests/data/specs/dummy-firefox.spec
+++ b/tests/data/specs/Dummy-firefox.spec
@@ -1,11 +1,11 @@
-Name:           dummy-firefox
+Name:           Dummy-firefox
 Version:        16.0.1
 Release:        1
 License:        LGPLv2
 Summary:        A dummy firefox package
 BuildRequires:  dummy-krb5-devel
-BuildRequires:  dummy-xulrunner
-Requires:       dummy-xulrunner
+BuildRequires:  Dummy-xulrunner
+Requires:       Dummy-xulrunner
 
 %description
 A dummy firefox package
diff --git a/tests/data/specs/dummy-xulrunner.spec b/tests/data/specs/Dummy-xulrunner.spec
similarity index 94%
rename from tests/data/specs/dummy-xulrunner.spec
rename to tests/data/specs/Dummy-xulrunner.spec
index 3a7f0fab..d5c5a762 100644
--- a/tests/data/specs/dummy-xulrunner.spec
+++ b/tests/data/specs/Dummy-xulrunner.spec
@@ -1,4 +1,4 @@
-Name:           dummy-xulrunner
+Name:           Dummy-xulrunner
 Version:        16.0.1
 Release:        1
 License:        LGPLv2