diff --git a/render.py b/render.py
index f783d8e..0212452 100644
--- a/render.py
+++ b/render.py
@@ -930,7 +930,7 @@ def render_infinity(options):
         "keep_audio",
         "stereo_downmix"
     )
-    for key in options_keys:
+    for key in option_keys:
         state[key] = options[key]
 
     for key in defaults:
@@ -958,7 +958,7 @@ def render_infinity(options):
             json.dump(state, fd, indent=2)
         shutil.move(state_f + "~", state_f)
         options = reload_options(options)
-        for key in options_keys:
+        for key in option_keys:
             state[key] = options[key]