diff --git a/panoptisch/imports.py b/panoptisch/imports.py
index 6df3efb..60806f8 100644
--- a/panoptisch/imports.py
+++ b/panoptisch/imports.py
@@ -31,6 +31,8 @@ def get_module_files(module: ModuleType) -> List[str]:
         entry = module.__file__
     except AttributeError:
         return []  # frozen module
+    if entry is None:
+        return []
     if entry.endswith('__init__.py'):
         entry_folder = get_file_dir(entry)
         return glob.glob(f'{entry_folder}/**/*.py', recursive=True)
diff --git a/pyproject.toml b/pyproject.toml
index ebd85fe..3caa2f9 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "panoptisch"
-version = "0.1.6"
+version = "0.1.7"
 description = "A recursive Python dependency scanner."
 authors = ["aarnav <aarnavbos@gmail.com>"]