diff --git a/codearchiver/core.py b/codearchiver/core.py
index 9bcd54d..f8df532 100644
--- a/codearchiver/core.py
+++ b/codearchiver/core.py
@@ -138,7 +138,7 @@ class Module:
 		return f'{type(self).__module__}.{type(self).__name__}({self._inputUrl!r})'
 
 
-def get_module_class(inputUrl: InputURL) -> typing.Type['Module']:
+def get_module_class(inputUrl: InputURL) -> typing.Type[Module]:
 	'''Get the Module class most suitable for handling `inputUrl`.'''
 
 	# Ensure that modules are imported
@@ -167,6 +167,6 @@ def get_module_class(inputUrl: InputURL) -> typing.Type['Module']:
 	raise RuntimeError('No matching modules for input URL')
 
 
-def get_module_instance(inputUrl: InputURL, **kwargs) -> 'Module':
+def get_module_instance(inputUrl: InputURL, **kwargs) -> Module:
 	'''Get an instance of the Module class most suitable for handling `inputUrl`.'''
 	return get_module_class(inputUrl)(inputUrl, **kwargs)