diff --git a/.github/workflows/tests-all.yml b/.github/workflows/tests-all.yml
index 403dbda..c1f602f 100644
--- a/.github/workflows/tests-all.yml
+++ b/.github/workflows/tests-all.yml
@@ -7,4 +7,5 @@ jobs:
       - uses: actions/checkout@v4
       - run: sudo apt update
       - run: sudo apt install cmdtest figlet python3-flask-restful python3-pexpect python3-aiosmtpd python3-mock diffstat
-      - run: ./run_tests cmdtests
+      - run: dpkg -l python3-ptyprocess
+      - run: ./run_tests cmdtests utf-8
diff --git a/cmdtests/cmdtestlib.py b/cmdtests/cmdtestlib.py
index 3c91da3..6ae5416 100644
--- a/cmdtests/cmdtestlib.py
+++ b/cmdtests/cmdtestlib.py
@@ -194,6 +194,7 @@ def __init__(self, debug=False, stgit=False, builder=None,
         super(PwcliSpawn, self).__init__(os.path.join(srcdir, cmd),
                                          timeout=3,
                                          logfile=sys.stdout,
+                                         dimensions=(80,80),
                                          encoding='utf-8')
 
     def cleanup(self):