diff --git a/hugvey/story.py b/hugvey/story.py
index 7ac1964..07a753b 100644
--- a/hugvey/story.py
+++ b/hugvey/story.py
@@ -143,11 +143,12 @@ class Message(object):
         self.variableValues[name] = value
 
         self.logger.warn(f"Set variable, fetch {name}")
-        if not None in self.variableValues.values():
-            self.logger.warn(f"now fetch {name} for {self.id}")
-            asyncio.get_event_loop().create_task(self.getAudioFilePath())
-#             asyncio.get_event_loop().call_soon_threadsafe(self.getAudioFilePath)
-#             self.logger.warn(f"started {name}")
+        # disable prefetching of audio files, to avoid a bunch of calls at once to the voice api's
+        # Other possiblity would be to wrap getAudioFilePath() into a method that delays execution incrementally
+        # with an asyncio.sleep(i)
+#         if not None in self.variableValues.values():
+#             self.logger.warn(f"now fetch {name} for {self.id}")
+#             asyncio.get_event_loop().create_task(self.getAudioFilePath())
     
     def getVariableValue(self, var):
         return self.variableValues[var] if (self.variableValues[var] is not None) else self.story.configuration.nothing_text #TODO: translate nothing to each language