diff --git a/x11-packages/firefox/build.sh b/x11-packages/firefox/build.sh
index e2bb2e9138..54c82456d0 100644
--- a/x11-packages/firefox/build.sh
+++ b/x11-packages/firefox/build.sh
@@ -3,6 +3,7 @@ TERMUX_PKG_DESCRIPTION="Mozilla Firefox web browser"
 TERMUX_PKG_LICENSE="MPL-2.0"
 TERMUX_PKG_MAINTAINER="@termux"
 TERMUX_PKG_VERSION=111.0
+TERMUX_PKG_REVISION=1
 TERMUX_PKG_SRCURL=https://ftp.mozilla.org/pub/firefox/releases/${TERMUX_PKG_VERSION}/source/firefox-${TERMUX_PKG_VERSION}.source.tar.xz
 TERMUX_PKG_SHA256=e1006c0872aa7eb30fb5a689413957f1e5fc8d2048b1637bf6f6fafdbd4ea55f
 # ffmpeg and pulseaudio are dependencies through dlopen(3):
diff --git a/x11-packages/firefox/fix-sigbus.patch b/x11-packages/firefox/fix-sigbus.patch
new file mode 100644
index 0000000000..5937475b21
--- /dev/null
+++ b/x11-packages/firefox/fix-sigbus.patch
@@ -0,0 +1,17 @@
+Fix SIGBUS Firefox error on Arm. Also apply to other arches just in case.
+
+https://github.com/termux/termux-packages/issues/15901
+https://github.com/mozilla/gecko-dev/commit/d7ba2cef0e9b74addedda4bc7f57daf10599a5dc
+https://github.com/google/cityhash/blob/master/src/city.cc
+
+--- a/other-licenses/nsis/Contrib/CityHash/cityhash/city.cpp
++++ b/other-licenses/nsis/Contrib/CityHash/cityhash/city.cpp
+@@ -33,7 +33,7 @@
+ 
+ using namespace std;
+ 
+-#if __sparc__
++#if __sparc__ || __TERMUX__
+ #include <string.h>
+ static inline uint64 UNALIGNED_LOAD64(const char *p) {
+   uint64 val;