diff --git a/README.debrand b/README.debrand
deleted file mode 100644
index 01c46d2..0000000
--- a/README.debrand
+++ /dev/null
@@ -1,2 +0,0 @@
-Warning: This package was configured for automatic debranding, but the changes
-failed to apply.
diff --git a/SOURCES/Bug-1238661---fix-mozillaSignalTrampoline-to-work-.patch b/SOURCES/Bug-1238661---fix-mozillaSignalTrampoline-to-work-.patch
new file mode 100644
index 0000000..b551e1b
--- /dev/null
+++ b/SOURCES/Bug-1238661---fix-mozillaSignalTrampoline-to-work-.patch
@@ -0,0 +1,12 @@
+diff -up firefox-60.0/mfbt/LinuxSignal.h.mozilla-1238661 firefox-60.0/mfbt/LinuxSignal.h
+--- firefox-60.0/mfbt/LinuxSignal.h.mozilla-1238661	2018-04-27 08:55:38.848241768 +0200
++++ firefox-60.0/mfbt/LinuxSignal.h	2018-04-27 09:06:47.946769859 +0200
+@@ -22,7 +22,7 @@ __attribute__((naked)) void SignalTrampo
+                                              void* aContext) {
+   asm volatile("nop; nop; nop; nop" : : : "memory");
+ 
+-  asm volatile("b %0" : : "X"(H) : "memory");
++  asm volatile("bx %0" : : "r"(H), "l"(aSignal), "l"(aInfo), "l"(aContext) : "memory");
+ }
+ 
+ #define MOZ_SIGNAL_TRAMPOLINE(h) (mozilla::SignalTrampoline<h>)
diff --git a/SOURCES/distribution.ini b/SOURCES/distribution.ini
index 8bf461e..0a0429e 100644
--- a/SOURCES/distribution.ini
+++ b/SOURCES/distribution.ini
@@ -1,7 +1,7 @@
 [Global]
 id=redhat
 version=1.0
-about=Mozilla Firefox for Red Hat Enterprise Linux
+about=Mozilla Firefox for CentOS Linux
 
 [Preferences]
 app.distributor=redhat
diff --git a/SPECS/firefox.spec b/SPECS/firefox.spec
index bee4860..53df8df 100644
--- a/SPECS/firefox.spec
+++ b/SPECS/firefox.spec
@@ -157,7 +157,7 @@ Source0:        https://hg.mozilla.org/releases/mozilla-release/archive/firefox-
 Source1:        firefox-langpacks-%{version}%{?pre_version}-20190703.tar.xz
 %endif
 Source10:       firefox-mozconfig
-Source12:       firefox-redhat-default-prefs.js
+Source12:       firefox-centos-default-prefs.js
 Source20:       firefox.desktop
 Source21:       firefox.sh.in
 Source23:       firefox.1
@@ -212,6 +212,7 @@ Patch406:        mozilla-256180.patch
 Patch413:        mozilla-1353817.patch
 Patch415:        mozilla-1436242.patch
 
+Patch1000:	 Bug-1238661---fix-mozillaSignalTrampoline-to-work-.patch
 # Debian patches
 
 %if %{?system_nss}
@@ -484,6 +485,9 @@ https://extensions.gnome.org.
 %patch413 -p1 -b .1353817
 %patch415 -p1 -b .1436242
 
+%ifarch %{arm}
+%patch1000 -p1 -b .mozilla-1238661
+%endif 
 
 # Patch for big endian platforms only
 %if 0%{?big_endian}