diff --git a/tests/test_parameter.py b/tests/test_parameter.py
index 632d62a3..87e45fdd 100644
--- a/tests/test_parameter.py
+++ b/tests/test_parameter.py
@@ -16,7 +16,7 @@
 
 # Import inspect to scan spotpy.parameter for all Parameter classes
 import inspect
-from testutils import repeat
+from .testutils import repeat
 # https://docs.python.org/3/library/unittest.html