diff --git a/pelican/generators.py b/pelican/generators.py
index 540a9468..ede0b7b3 100644
--- a/pelican/generators.py
+++ b/pelican/generators.py
@@ -585,12 +585,13 @@ class SourceFileGenerator(Generator):
     def generate_context(self):
         self.output_extension = self.settings['OUTPUT_SOURCES_EXTENSION']
 
-    def _create_source(self, obj, output_path):
-        output_path = os.path.splitext(obj.save_as)[0]
-        dest = os.path.join(output_path, output_path + self.output_extension)
+    def _create_source(self, obj):
+        output_path, _ = os.path.splitext(obj.save_as)
+        dest = os.path.join(self.output_path,
+                            output_path + self.output_extension)
         copy('', obj.source_path, dest)
 
     def generate_output(self, writer=None):
         logger.info(' Generating source files...')
-        for object in chain(self.context['articles'], self.context['pages']):
-            self._create_source(object, self.output_path)
+        for obj in chain(self.context['articles'], self.context['pages']):
+            self._create_source(obj)