diff --git a/firefox.spec b/firefox.spec
index 1f60892..d287b0e 100644
--- a/firefox.spec
+++ b/firefox.spec
@@ -1,6 +1,3 @@
-# Temporary disable second arches due to various build issues
-ExclusiveArch: %{ix86} x86_64
-
 # Use ALSA backend?
 %define alsa_backend      0
 
@@ -113,7 +110,7 @@ ExclusiveArch: %{ix86} x86_64
 Summary:        Mozilla Firefox Web browser
 Name:           firefox
 Version:        53.0
-Release:        2%{?pre_tag}%{?dist}
+Release:        3%{?pre_tag}%{?dist}
 URL:            https://www.mozilla.org/firefox/
 License:        MPLv1.1 or GPLv2+ or LGPLv2+
 Group:          Applications/Internet
@@ -858,6 +855,9 @@ gtk-update-icon-cache %{_datadir}/icons/hicolor &>/dev/null || :
 #---------------------------------------------------------------------
 
 %changelog
+* Thu Apr 20 2017 Martin Stransky <stransky@redhat.com> - 53.0-3
+- Enabled second arches
+
 * Tue Apr 18 2017 Martin Stransky <stransky@redhat.com> - 53.0-2
 - Disable system hunspell library when necessary