diff --git a/0001-conncheck-Don-t-lookup-prflx-pair-for-UDP-candidates.patch b/0001-conncheck-Don-t-lookup-prflx-pair-for-UDP-candidates.patch
new file mode 100644
index 0000000..9716297
--- /dev/null
+++ b/0001-conncheck-Don-t-lookup-prflx-pair-for-UDP-candidates.patch
@@ -0,0 +1,37 @@
+From ca47519feda9d4dad38a06e2f7d94c0afc501364 Mon Sep 17 00:00:00 2001
+From: Jakub Adam <jakub.adam@collabora.com>
+Date: Wed, 29 May 2019 20:10:40 +0200
+Subject: [PATCH] conncheck: Don't lookup prflx pair for UDP candidates
+
+Code comment mentions peer reflexive candidate pair should be selected
+only in the case of TCP local candidates, but it was done in all cases.
+---
+ agent/conncheck.c | 12 +++++++-----
+ 1 file changed, 7 insertions(+), 5 deletions(-)
+
+diff --git a/agent/conncheck.c b/agent/conncheck.c
+index e931e24..3e02ce0 100644
+--- a/agent/conncheck.c
++++ b/agent/conncheck.c
+@@ -3033,11 +3033,13 @@ static CandidateCheckPair *priv_process_response_check_for_reflexive(NiceAgent *
+        * of a TCP-ACTIVE local candidate, so we find it even if an incoming
+        * check matched an existing pair because it could be the original
+        * ACTIVE-PASSIVE candidate pair which was retriggered */
+-      for (i = stream->conncheck_list; i; i = i->next) {
+-        CandidateCheckPair *pair = i->data;
+-        if (pair->local == cand && remote_candidate == pair->remote) {
+-          new_pair = pair;
+-          break;
++      if (local_cand->transport != NICE_CANDIDATE_TRANSPORT_UDP) {
++        for (i = stream->conncheck_list; i; i = i->next) {
++          CandidateCheckPair *pair = i->data;
++          if (pair->local == cand && remote_candidate == pair->remote) {
++            new_pair = pair;
++            break;
++          }
+         }
+       }
+       break;
+-- 
+2.21.0
+
diff --git a/libnice.spec b/libnice.spec
index 8c6a9b8..4ca17cb 100644
--- a/libnice.spec
+++ b/libnice.spec
@@ -3,7 +3,7 @@
 
 Name:           libnice
 Version:        0.1.16
-Release:        3%{?dist}
+Release:        4%{?dist}
 Summary:        GLib ICE implementation
 
 License:        LGPLv2 and MPLv1.1
@@ -13,6 +13,9 @@ Source0:        https://nice.freedesktop.org/releases/%{name}-%{version}.tar.gz
 # make tests pass in Koji
 Patch1:         libnice-0.1.14-tests-koji.patch
 
+# make audio connection more reliable
+Patch2:         0001-conncheck-Don-t-lookup-prflx-pair-for-UDP-candidates.patch
+
 BuildRequires:  autoconf
 BuildRequires:  automake
 BuildRequires:  glib2-devel
@@ -68,6 +71,7 @@ developing applications that use %{name}.
 %prep
 %setup -q
 %patch1 -p1
+%patch2 -p1
 chmod 0755 scripts/valgrind-test-driver
 
 # disable test-new-trickle, which sometimes hangs indefinitely, and
@@ -138,6 +142,9 @@ make check
 
 
 %changelog
+* Tue Jun 04 2019 Stefan Becker <chemobejk@gmail.com> - 0.1.16-4
+- add upstream patch to make audio connection more reliable (#1716936)
+
 * Fri May 10 2019 Stefan Becker <chemobejk@gmail.com> - 0.1.16-3
 - test-new-dribble got renamed to test-new-trickle