diff --git a/pyproject.toml b/pyproject.toml
index 10415750f..5f8e07b67 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -23,6 +23,7 @@ log_cli_date_format = "%H:%M:%S"
 addopts = "-v --capture=sys tests/unit_tests"
 norecursedirs = "node_modules dist"
 markers = ["slow: mark test as slow"]
+pythonpath = "./monkey"
 
 [tool.vulture]
 exclude = ["monkey/monkey_island/cc/ui/", "monkey/tests/", "monkey/monkey_island/docs/"]