diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index c0dc726b..788b17e3 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -44,6 +44,8 @@ jobs:
           F2B_PY=${F2B_PY:0:1}
           echo "Set F2B_PY=$F2B_PY"
           echo "F2B_PY=$F2B_PY" >> $GITHUB_ENV
+          # for GHA we need to monitor all journals, since it cannot be found using SYSTEM_ONLY(4):
+          echo "F2B_SYSTEMD_DEFAULT_FLAGS=0" >> $GITHUB_ENV
 
       - name: Install dependencies
         run: |
@@ -71,13 +73,13 @@ jobs:
           _debug '- systemd:' python -c 'from fail2ban.server.filtersystemd import FilterSystemd'
           #_debug '- systemd (root): ' sudo python -c 'from fail2ban.server.filtersystemd import FilterSystemd'
           _debug '- pyinotify:' python -c 'from fail2ban.server.filterpyinotify import FilterPyinotify'
-      
-      # - name: Test suite
-      #   run: if [[ "$F2B_PY" = 2 ]]; then python setup.py test; else python bin/fail2ban-testcases --verbosity=2; fi
 
-      - name: Test suite (debug some systemd tests only)
-        # run: python bin/fail2ban-testcases --verbosity=2 "[sS]ystemd|[jJ]ournal"
-        run: python bin/fail2ban-testcases --verbosity=2 -l 5 "test_WrongChar"
+      - name: Test suite
+        run: if [[ "$F2B_PY" = 2 ]]; then python setup.py test; else python bin/fail2ban-testcases --verbosity=2; fi
+
+      #- name: Test suite (debug some systemd tests only)
+         #run: python bin/fail2ban-testcases --verbosity=2 "[sS]ystemd|[jJ]ournal"
+         #run: python bin/fail2ban-testcases --verbosity=2 -l 5 "test_WrongChar"
 
       - name: Build
         run: python setup.py build
diff --git a/fail2ban/server/filtersystemd.py b/fail2ban/server/filtersystemd.py
index e2220105..6301b93a 100644
--- a/fail2ban/server/filtersystemd.py
+++ b/fail2ban/server/filtersystemd.py
@@ -23,6 +23,7 @@ __copyright__ = "Copyright (c) 2013 Steven Hiscocks"
 __license__ = "GPL"
 
 import datetime
+import os
 import time
 from distutils.version import LooseVersion
 
@@ -93,7 +94,7 @@ class FilterSystemd(JournalFilter): # pragma: systemd no cover
 		except KeyError:
 			# be sure all journal types will be opened if files/path specified (don't set flags):
 			if ('files' not in args or not len(args['files'])) and ('path' not in args or not args['path']):
-				args['flags'] = 4
+				args['flags'] = int(os.getenv("F2B_SYSTEMD_DEFAULT_FLAGS", 4))
 				
 		try:
 			args['namespace'] = kwargs.pop('namespace')