diff --git a/src/nucleus/response/stream.py b/src/nucleus/response/stream.py
index 83c2892..87e054f 100644
--- a/src/nucleus/response/stream.py
+++ b/src/nucleus/response/stream.py
@@ -91,6 +91,7 @@ def stream_next(self):
             return raw
         else:
             self.status = 'eof'
+            raise StopIteration
 
 
 class ResponseStream: