diff --git a/vdirsyncer/utils/compat.py b/vdirsyncer/utils/compat.py
index f4c5d4d..d3285b9 100644
--- a/vdirsyncer/utils/compat.py
+++ b/vdirsyncer/utils/compat.py
@@ -5,7 +5,8 @@ import sys
 
 PY2 = sys.version_info[0] == 2
 
-if sys.version_info < (3, 3) and sys.version_info[:2] != (2, 7):
+if sys.version_info < (3, 3) and \
+   sys.version_info[:2] != (2, 7):  # pragma: no cover
     raise RuntimeError(
         'vdirsyncer only works on Python versions 2.7.x and 3.3+'
     )