diff --git a/pulseaudio.changes b/pulseaudio.changes
index 68ec82c..e9514e6 100644
--- a/pulseaudio.changes
+++ b/pulseaudio.changes
@@ -1,3 +1,11 @@
+-------------------------------------------------------------------
+Tue Feb 27 21:49:56 UTC 2024 - Eugenio Paolantonio <eugenio.paolantonio@suse.com>
+
+- Do not BuildRequire pkgconfig(webrtc-audio-processing-1) on big
+  endian architectures (s390, s390x, ppc64) as the dependency is
+  not available:
+  * WebRTC echo canceller will be disabled there
+
 -------------------------------------------------------------------
 Tue Feb 13 07:21:51 UTC 2024 - Jannik Seiler <seil0@mosad.xyz>
 
diff --git a/pulseaudio.spec b/pulseaudio.spec
index 575c796..5dd9c63 100644
--- a/pulseaudio.spec
+++ b/pulseaudio.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package pulseaudio
 #
-# Copyright (c) 2022 SUSE LLC
+# Copyright (c) 2024 SUSE LLC
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -25,6 +25,12 @@
   %define _fillupdir /var/adm/fillup-templates
 %endif
 
+%ifnarch s390 s390x ppc64
+%define with_webrtc_audio_processing 1
+%else
+%define with_webrtc_audio_processing 0
+%endif
+
 %define drvver  17.0
 %define soname  0
 %define _udevrulesdir %(pkg-config --variable=udevdir udev)/rules.d
@@ -70,7 +76,9 @@ BuildRequires:  libopenssl-devel
 BuildRequires:  libsndfile-devel >= 1.0.18
 BuildRequires:  libtool
 BuildRequires:  pkgconfig(libudev) >= 143
+%if %{with_webrtc_audio_processing}
 BuildRequires:  pkgconfig(webrtc-audio-processing-1) >= 1.0
+%endif
 BuildRequires:  orc >= 0.4.9
 BuildRequires:  perl-XML-Parser
 BuildRequires:  pkgconfig
@@ -470,7 +478,9 @@ exit 0
 %{_libdir}/pulseaudio/modules/libprotocol-native.so
 %{_libdir}/pulseaudio/modules/libprotocol-simple.so
 %{_libdir}/pulseaudio/modules/librtp.so
+%if %{with_webrtc_audio_processing}
 %{_libdir}/pulseaudio/modules/libwebrtc-util.so
+%endif
 %{_libdir}/pulseaudio/modules/module-alsa-card.so
 %{_libdir}/pulseaudio/modules/module-alsa-sink.so
 %{_libdir}/pulseaudio/modules/module-alsa-source.so