diff --git a/src/layman_settings.py b/src/layman_settings.py
index 6cb645adc..3c67cbb84 100644
--- a/src/layman_settings.py
+++ b/src/layman_settings.py
@@ -203,7 +203,7 @@
 CSW_RECORD_URL = os.getenv('CSW_RECORD_URL', None)
 
 # # tuples like (version, revision)
-MICKA_ACCEPTED_VERSIONS = [
+MICKA_ACCEPTED_VERSION = [
     ('2020.014', '2020-04-15.01'),
 ] if ':' not in os.getenv('MICKA_ACCEPTED_VERSION', '') else [
     tuple(os.environ['MICKA_ACCEPTED_VERSION'].split(':'))
diff --git a/src/wait_for_deps.py b/src/wait_for_deps.py
index 7642c7d89..e648695e1 100644
--- a/src/wait_for_deps.py
+++ b/src/wait_for_deps.py
@@ -130,7 +130,7 @@ def main():
             version_match = re.search(MICKA_VERSION_RE, response)
             assert (version_match and len(version_match.groups()) == 2), 'Unknown version of Micka!'
             found_version = version_match.groups()
-            assert found_version in settings.MICKA_ACCEPTED_VERSIONS, f"Found Micka version {found_version}, but expecting one of {settings.MICKA_ACCEPTED_VERSIONS}. Please use one of expected version, e.g. by upgrading/downgrading Micka. Take special care about Micka's database."
+            assert found_version in settings.MICKA_ACCEPTED_VERSION, f"Found Micka version {found_version}, but expecting one of {settings.MICKA_ACCEPTED_VERSION}. Please use one of expected version, e.g. by upgrading/downgrading Micka. Take special care about Micka's database."
             print(f"Found Micka version {found_version}.")
 
             print(f"Attempt {attempt}/{MAX_ATTEMPTS} successful.")