diff --git a/subprojects/gstreamer/libs/gst/base/gstaggregator.c b/subprojects/gstreamer/libs/gst/base/gstaggregator.c
index a970c51357..54d19e4651 100644
--- a/subprojects/gstreamer/libs/gst/base/gstaggregator.c
+++ b/subprojects/gstreamer/libs/gst/base/gstaggregator.c
@@ -1707,7 +1707,6 @@ gst_aggregator_default_sink_event (GstAggregator * self,
     {
       SRC_LOCK (self);
       PAD_LOCK (aggpad);
-      g_assert (aggpad->priv->num_buffers == 0);
       aggpad->priv->eos = TRUE;
       PAD_UNLOCK (aggpad);
       SRC_BROADCAST (self);
@@ -1734,6 +1733,9 @@ gst_aggregator_default_sink_event (GstAggregator * self,
     }
     case GST_EVENT_STREAM_START:
     {
+      PAD_LOCK (aggpad);
+      aggpad->priv->eos = FALSE;
+      PAD_UNLOCK (aggpad);
       goto eat;
     }
     case GST_EVENT_GAP: