diff --git a/libs/sofia-sip/.update b/libs/sofia-sip/.update
index 4fe074aa97..70251da952 100644
--- a/libs/sofia-sip/.update
+++ b/libs/sofia-sip/.update
@@ -1 +1 @@
-Wed Apr  1 12:53:24 MDT 2020
+Thu Apr 16 17:42:40 UTC 2020
diff --git a/libs/sofia-sip/libsofia-sip-ua/nta/nta.c b/libs/sofia-sip/libsofia-sip-ua/nta/nta.c
index ca67cc032f..07bab4f6eb 100644
--- a/libs/sofia-sip/libsofia-sip-ua/nta/nta.c
+++ b/libs/sofia-sip/libsofia-sip-ua/nta/nta.c
@@ -8965,8 +8965,17 @@ void outgoing_trying(nta_outgoing_t *orq)
 {
   if (orq->orq_forked)
     ;
-  else if (orq->orq_method == sip_method_invite)
-    outgoing_queue(orq->orq_agent->sa_out.inv_calling, orq);
+  else if (orq->orq_method == sip_method_invite) {
+    if (!orq->orq_completed) {
+      outgoing_queue(orq->orq_agent->sa_out.inv_calling, orq);
+    } else {
+      SU_DEBUG_5(("nta(%p): completed request can not be put into inv_calling queue (%u)\n", (void *)orq, orq->orq_cseq->cs_seq));
+      if (orq->orq_queue != orq->orq_agent->sa_out.inv_completed) {
+        /* Put back into inv_completed if it's not there by any reason */
+        outgoing_queue(orq->orq_agent->sa_out.inv_completed, orq); /* Timer D */
+      }
+    }
+  }
   else
     outgoing_queue(orq->orq_agent->sa_out.trying, orq);
 }