diff --git a/pungi/__init__.py b/pungi/__init__.py
index 328c61b8..db0fd19c 100644
--- a/pungi/__init__.py
+++ b/pungi/__init__.py
@@ -12,7 +12,7 @@ def get_full_version():
     location = os.path.join(os.path.dirname(os.path.realpath(__file__)), '..')
     if os.path.isdir(os.path.join(location, '.git')):
         import subprocess
-        proc = subprocess.Popen(['git', '-C', location, 'describe', '--tags'],
+        proc = subprocess.Popen(['git', '--git-dir=%s/.git' % location, 'describe', '--tags'],
                                 stdout=subprocess.PIPE)
         output, _ = proc.communicate()
         return re.sub(r'-1.fc\d\d?', '', output.strip().replace('pungi-', ''))