diff --git a/chromium-57.0.2987.110-enable-mp3.patch b/chromium-57.0.2987.110-enable-mp3.patch
index 676ade1..a8b9ee6 100644
--- a/chromium-57.0.2987.110-enable-mp3.patch
+++ b/chromium-57.0.2987.110-enable-mp3.patch
@@ -99,3 +99,30 @@ diff -up chromium-57.0.2987.110/third_party/ffmpeg/libavcodec/sbrdsp.c.mp3 chrom
  #include "config.h"
  #include "libavutil/attributes.h"
  #include "libavutil/intfloat.h"
+diff -up chromium-57.0.2987.110/media/base/mime_util_internal.cc.mp3 chromium-57.0.2987.110/media/base/mime_util_internal.cc
+--- chromium-57.0.2987.110/media/base/mime_util_internal.cc.mp3	2017-03-26 11:11:41.480377812 -0400
++++ chromium-57.0.2987.110/media/base/mime_util_internal.cc	2017-03-26 11:13:19.289810708 -0400
+@@ -291,10 +291,10 @@ void MimeUtil::AddSupportedMediaFormats(
+   CodecSet webm_codecs(webm_audio_codecs);
+   webm_codecs.insert(webm_video_codecs.begin(), webm_video_codecs.end());
+ 
+-#if defined(USE_PROPRIETARY_CODECS)
+   CodecSet mp3_codecs;
+   mp3_codecs.insert(MP3);
+ 
++#if defined(USE_PROPRIETARY_CODECS)
+   CodecSet aac;
+   aac.insert(MPEG2_AAC);
+   aac.insert(MPEG4_AAC);
+@@ -335,10 +335,10 @@ void MimeUtil::AddSupportedMediaFormats(
+   AddContainerWithCodecs("application/ogg", ogg_codecs, false);
+   AddContainerWithCodecs("audio/flac", implicit_codec, false);
+ 
+-#if defined(USE_PROPRIETARY_CODECS)
+   AddContainerWithCodecs("audio/mpeg", mp3_codecs, true);  // Allow "mp3".
+   AddContainerWithCodecs("audio/mp3", implicit_codec, true);
+   AddContainerWithCodecs("audio/x-mp3", implicit_codec, true);
++#if defined(USE_PROPRIETARY_CODECS)
+   AddContainerWithCodecs("audio/aac", implicit_codec, true);  // AAC / ADTS.
+   AddContainerWithCodecs("audio/mp4", mp4_audio_codecs, true);
+   DCHECK(!mp4_video_codecs.empty());
diff --git a/chromium.spec b/chromium.spec
index 210c28c..fd7718e 100644
--- a/chromium.spec
+++ b/chromium.spec
@@ -97,7 +97,7 @@ BuildRequires:  libicu-devel >= 5.4
 
 Name:		chromium%{chromium_channel}
 Version:	%{majorversion}.0.2987.110
-Release:	2%{?dist}
+Release:	3%{?dist}
 Summary:	A WebKit (Blink) powered web browser
 Url:		http://www.chromium.org/Home
 License:	BSD and LGPLv2+ and ASL 2.0 and IJG and MIT and GPLv2+ and ISC and OpenSSL and (MPLv1.1 or GPLv2 or LGPLv2)
@@ -539,7 +539,14 @@ members of the Chromium and WebDriver teams.
 %patch31 -p1 -b .permissive
 %patch32 -p1 -b .unique-ptr-fix
 %patch33 -p1 -b .gcc7
+# RHEL 7 compiler is too old
+# does not have stdatomic.h
+# In file included from ../../third_party/ffmpeg/libavutil/autorename_libavutil_cpu.c:2:0:
+# ../../third_party/ffmpeg/libavutil/cpu.c:24:23: fatal error: stdatomic.h: No such file or directory
+#  #include <stdatomic.h>
+%if 0%{?fedora}
 %patch34 -p1 -b .mp3
+%endif
 
 ### Chromium Tests Patches ###
 %patch100 -p1 -b .use_system_opus
@@ -1575,6 +1582,10 @@ getent group chrome-remote-desktop >/dev/null || groupadd -r chrome-remote-deskt
 %{chromium_path}/chromedriver
 
 %changelog
+* Sun Mar 26 2017 Tom Callaway <spot@fedoraproject.org> 57.0.2987.110-3
+- fix mp3 enablement
+- disable mp3 enablement on RHEL (compiler too old)
+
 * Tue Mar 21 2017 Tom Callaway <spot@fedoraproject.org> 57.0.2987.110-2
 - fix privlibs