diff --git a/docker/base/set_configs.py b/docker/base/set_configs.py
index 5f030866fb..572e4a001c 100644
--- a/docker/base/set_configs.py
+++ b/docker/base/set_configs.py
@@ -204,8 +204,8 @@ class ConfigFile(object):
                     return False
             for file_ in files:
                 full_path = os.path.join(root, file_)
-                dest_full_path = os.path.join(dest, os.path.relpath(source,
-                                                                    full_path))
+                dest_full_path = os.path.join(dest, os.path.relpath(full_path,
+                                                                    source))
                 if not self._cmp_file(full_path, dest_full_path):
                     return False
         return True
@@ -225,8 +225,9 @@ class ConfigFile(object):
             # otherwise means copy the source to dest
             if dest.endswith(os.sep):
                 dest = os.path.join(dest, os.path.basename(source))
-            if os.path.isdir(source) and not self._cmp_dir(source, dest):
-                bad_state_files.append(source)
+            if os.path.isdir(source):
+                if not self._cmp_dir(source, dest):
+                    bad_state_files.append(source)
             elif not self._cmp_file(source, dest):
                 bad_state_files.append(source)
         if len(bad_state_files) != 0:
@@ -404,7 +405,7 @@ def execute_config_strategy(config):
 
 
 def execute_config_check(config):
-    for data in config['config_files']:
+    for data in config.get('config_files', []):
         config_file = ConfigFile(**data)
         config_file.check()
 
diff --git a/releasenotes/notes/fix-config-check-c973c462761a4fa9.yaml b/releasenotes/notes/fix-config-check-c973c462761a4fa9.yaml
new file mode 100644
index 0000000000..ee87646dfd
--- /dev/null
+++ b/releasenotes/notes/fix-config-check-c973c462761a4fa9.yaml
@@ -0,0 +1,6 @@
+---
+fixes:
+  - |
+    Fixes an issue with the ``kolla_set_configs --check`` command when the
+    source is a directory. `LP#1890567
+    <https://bugs.launchpad.net/kolla/+bug/1890567>`__
diff --git a/tests/test_set_config.py b/tests/test_set_config.py
index 8af2e618d6..3888a38cca 100644
--- a/tests/test_set_config.py
+++ b/tests/test_set_config.py
@@ -288,3 +288,44 @@ class ConfigFileTest(base.BaseTestCase):
                                     '/foo/bar.conf'),
                           mock.call('/var/lib/kolla/config_files/bar.yml',
                                     '/foo/bar.yml')])
+
+    @mock.patch.object(set_configs.ConfigFile, '_cmp_file')
+    @mock.patch.object(set_configs.ConfigFile, '_cmp_dir')
+    @mock.patch('os.path.isdir', return_value=False)
+    @mock.patch('glob.glob')
+    def test_check_source_dir(self, mock_glob, mock_isdir, mock_cmp_dir,
+                              mock_cmp_file):
+        config_file = set_configs.ConfigFile(
+            '/var/lib/kolla/config_files/bar', '/foo', 'user1', '0644')
+
+        mock_glob.return_value = ['/var/lib/kolla/config_files/bar']
+        mock_isdir.return_value = True
+        mock_cmp_dir.return_value = True
+
+        config_file.check()
+
+        mock_isdir.assert_called_once_with('/var/lib/kolla/config_files/bar')
+        mock_cmp_dir.assert_called_once_with(
+            '/var/lib/kolla/config_files/bar', '/foo')
+        mock_cmp_file.assert_not_called()
+
+    @mock.patch.object(set_configs.ConfigFile, '_cmp_file')
+    @mock.patch.object(set_configs.ConfigFile, '_cmp_dir')
+    @mock.patch('os.path.isdir', return_value=False)
+    @mock.patch('glob.glob')
+    def test_check_source_dir_no_equal(self, mock_glob, mock_isdir,
+                                       mock_cmp_dir, mock_cmp_file):
+        config_file = set_configs.ConfigFile(
+            '/var/lib/kolla/config_files/bar', '/foo', 'user1', '0644')
+
+        mock_glob.return_value = ['/var/lib/kolla/config_files/bar']
+        mock_isdir.return_value = True
+        mock_cmp_dir.return_value = False
+
+        self.assertRaises(set_configs.ConfigFileBadState,
+                          config_file.check)
+
+        mock_isdir.assert_called_once_with('/var/lib/kolla/config_files/bar')
+        mock_cmp_dir.assert_called_once_with(
+            '/var/lib/kolla/config_files/bar', '/foo')
+        mock_cmp_file.assert_not_called()