diff --git a/gst/gdp/gstgdppay.c b/gst/gdp/gstgdppay.c
index f9e27da1e0..6da4967f7a 100644
--- a/gst/gdp/gstgdppay.c
+++ b/gst/gdp/gstgdppay.c
@@ -474,6 +474,7 @@ gst_gdp_pay_reset_streamheader (GstGDPPay * this)
 
   GST_DEBUG_OBJECT (this, "Setting caps on src pad %" GST_PTR_FORMAT, caps);
   gst_pad_set_caps (this->srcpad, caps);
+  this->caps_buf = gst_buffer_make_metadata_writable (this->caps_buf);
   gst_buffer_set_caps (this->caps_buf, caps);
   this->new_segment_buf =
       gst_buffer_make_metadata_writable (this->new_segment_buf);