diff --git a/tests/end2end/data/userscripts/stdinclose.py b/tests/end2end/data/userscripts/stdinclose.py
index 9b2ade1c0..fa0676f73 100755
--- a/tests/end2end/data/userscripts/stdinclose.py
+++ b/tests/end2end/data/userscripts/stdinclose.py
@@ -18,7 +18,7 @@
 # You should have received a copy of the GNU General Public License
 # along with qutebrowser.  If not, see <http://www.gnu.org/licenses/>.
 
-"""A userscript to check if the stdin gets closed"""
+"""A userscript to check if the stdin gets closed."""
 
 import sys
 import os