diff --git a/src/gst_signalling/gst_consumer.py b/src/gst_signalling/gst_consumer.py
index 3d1f43f..d8cddfe 100644
--- a/src/gst_signalling/gst_consumer.py
+++ b/src/gst_signalling/gst_consumer.py
@@ -43,7 +43,7 @@ def on_answer_created(
         assert promise.wait() == Gst.PromiseResult.REPLIED
         reply = promise.get_reply()
         # answer = reply["answer"]
-        answer = reply.get_value("answer")
+        answer = reply.get_value("answer")  # type: ignore[union-attr]
         promise = Gst.Promise.new()
         webrtc.emit("set-local-description", answer, promise)
         promise.interrupt()  # we don't care about the result, discard it
diff --git a/src/gst_signalling/gst_producer.py b/src/gst_signalling/gst_producer.py
index e7907fe..07f9e31 100644
--- a/src/gst_signalling/gst_producer.py
+++ b/src/gst_signalling/gst_producer.py
@@ -26,7 +26,7 @@ def on_offer_created(
         self.logger.debug(f"on offer created {promise} {webrtc} {session_id}")
         assert promise.wait() == Gst.PromiseResult.REPLIED
         reply = promise.get_reply()
-        offer = reply.get_value("offer")
+        offer = reply.get_value("offer")  # type: ignore[union-attr]
 
         promise = Gst.Promise.new()
         self.logger.info("Offer created, setting local description")