diff --git a/skillagent/skillengine.py b/skillagent/skillengine.py
index d232c4a..8a2bbd6 100644
--- a/skillagent/skillengine.py
+++ b/skillagent/skillengine.py
@@ -35,7 +35,8 @@ class LLMHandler:
 		async for d in env.inference_generator(self.request, params_kw=kw):
 			try:
 				j = DictObject(**json.loads(d))
-				txt += j.content
+				if j.content:
+					txt += j.content
 			except Exception as e:
 				exception(f'{e}\n{format_exc()}')
 		return txt