diff --git a/soitool/database.py b/soitool/database.py
index 4241f2d8e7533c2672068672dc537846227cf1fa..0e00dd73359f44285e2146a3202eae06f7d54d67 100644
--- a/soitool/database.py
+++ b/soitool/database.py
@@ -44,9 +44,9 @@ class Database:
     Database can be run in testmode, this will create a seperate database-file.
     """
 
-    def __init__(self, test_mode=False):
+    def __init__(self, testmode=False):
 
-        if test_mode:
+        if testmode:
             db_path = TESTDBPATH
         else:
             db_path = DBPATH
diff --git a/test/test_database.py b/test/test_database.py
index e413346cafa2a121314d034fda325f781de82827..831919169c50f1a39919cc8225cda35f9ee39db2 100644
--- a/test/test_database.py
+++ b/test/test_database.py
@@ -16,7 +16,7 @@ class DatabaseTest(unittest.TestCase):
 
     def setUp(self):
         """Connect to/create database."""
-        self.database = Database(test_mode=True)
+        self.database = Database(testmode=True)
         self.addCleanup(self.delete_db)
 
     def test_connection(self):