diff --git a/src/gst/gstpipewiresrc.c b/src/gst/gstpipewiresrc.c
index 8267c6950..52876b4ca 100644
--- a/src/gst/gstpipewiresrc.c
+++ b/src/gst/gstpipewiresrc.c
@@ -407,6 +407,7 @@ gst_pipewire_src_init (GstPipeWireSrc * src)
 {
   /* we operate in time */
   gst_base_src_set_format (GST_BASE_SRC (src), GST_FORMAT_TIME);
+  gst_pad_use_fixed_caps (GST_BASE_SRC_PAD (src));
 
   /* we're a live source, unless explicitly requested not to be */
   gst_base_src_set_live (GST_BASE_SRC (src), TRUE);
@@ -797,7 +798,7 @@ gst_pipewire_src_negotiate (GstBaseSrc * basesrc)
   thiscaps = gst_pad_query_caps (GST_BASE_SRC_PAD (basesrc), NULL);
   GST_DEBUG_OBJECT (basesrc, "caps of src: %" GST_PTR_FORMAT, thiscaps);
   /* nothing or anything is allowed, we're done */
-  if (thiscaps == NULL)
+  if (thiscaps == NULL || pwsrc->negotiated)
     goto no_nego_needed;
 
   if (G_UNLIKELY (gst_caps_is_empty (thiscaps)))
@@ -869,7 +870,6 @@ gst_pipewire_src_negotiate (GstBaseSrc * basesrc)
 
   GST_DEBUG_OBJECT (basesrc, "connect capture with path %s, target-object %s",
                     pwsrc->path, pwsrc->target_object);
-  pwsrc->negotiated = FALSE;
   pw_stream_connect (pwsrc->stream,
                      PW_DIRECTION_INPUT,
                      target_id,
@@ -1048,8 +1048,11 @@ gst_pipewire_src_unlock_stop (GstBaseSrc * basesrc)
 static gboolean
 gst_pipewire_src_event (GstBaseSrc * src, GstEvent * event)
 {
+  GstPipeWireSrc *pwsrc = GST_PIPEWIRE_SRC (src);
   gboolean res = FALSE;
 
+  GST_DEBUG_OBJECT (pwsrc, "handle event %" GST_PTR_FORMAT, event);
+
   switch (GST_EVENT_TYPE (event)) {
     case GST_EVENT_CUSTOM_UPSTREAM:
       if (gst_video_event_is_force_key_unit (event)) {
@@ -1065,6 +1068,12 @@ gst_pipewire_src_event (GstBaseSrc * src, GstEvent * event)
         res = GST_BASE_SRC_CLASS (parent_class)->event (src, event);
       }
       break;
+    case GST_EVENT_RECONFIGURE:
+      if (!pwsrc->negotiated)
+        res = GST_BASE_SRC_CLASS (parent_class)->event (src, event);
+      else
+        res = TRUE;
+      break;
     default:
       res = GST_BASE_SRC_CLASS (parent_class)->event (src, event);
       break;
@@ -1425,11 +1434,11 @@ gst_pipewire_src_change_state (GstElement * element, GstStateChange transition)
     case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
       break;
     case GST_STATE_CHANGE_PAUSED_TO_READY:
+      break;
+    case GST_STATE_CHANGE_READY_TO_NULL:
       pw_thread_loop_lock (this->core->loop);
       this->negotiated = FALSE;
       pw_thread_loop_unlock (this->core->loop);
-      break;
-    case GST_STATE_CHANGE_READY_TO_NULL:
       gst_pipewire_src_close (this);
       break;
     default: