diff --git a/src/hawkmoth/__init__.py b/src/hawkmoth/__init__.py
index 651c9882..9054d175 100644
--- a/src/hawkmoth/__init__.py
+++ b/src/hawkmoth/__init__.py
@@ -70,7 +70,7 @@ def __parse(self, filename):
         clang_args.extend(self.__get_clang_args())
 
         # Cached parse results per rst document
-        parsed_files = self.env.temp_data.setdefault('cautodoc_parsed_files', {})
+        parsed_files = self.env.temp_data.setdefault('hawkmoth_parsed_files', {})
 
         # The output depends on clang args
         key = (filename, tuple(clang_args))
@@ -161,6 +161,12 @@ class _AutoSymbolDirective(_AutoBaseDirective):
     def _get_filenames(self):
         filename = self.options.get('file')
 
+        # Cache filename across directives in rst document
+        if filename:
+            self.env.temp_data['hawkmoth_current_file'] = filename
+        else:
+            filename = self.env.temp_data.get('hawkmoth_current_file')
+
         # Note: For the time being the file option is mandatory (sic).
         if not filename:
             self.logger.warning(':file: option missing.',