diff --git a/pyproject.toml b/pyproject.toml
index 6d0562d..97d1b82 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -59,7 +59,7 @@ source = ["sigmf", "tests"]
 command_line = "-m pytest -rA --doctest-modules --junitxml=pytest.xml"
 
 [tool.pytest.ini_options]
-addopts = "--doctest-modules"
+addopts = "--doctest-modules --ignore=sigmf/apps/gui.py"
 
 [tool.pylint]
     [tool.pylint.main]