diff -r bf0d08380dcf -r 87c1625d07e2 MozillaFirefox/MozillaFirefox.spec
--- a/MozillaFirefox/MozillaFirefox.spec	Sat May 26 18:03:47 2018 +0200
+++ b/MozillaFirefox/MozillaFirefox.spec	Sat May 26 18:04:18 2018 +0200
@@ -305,6 +305,9 @@
 %if 0%{?suse_version} > 1320
 export CFLAGS="$CFLAGS -fno-delete-null-pointer-checks"
 %endif
+%ifarch aarch64
+export CFLAGS="$CFLAGS -ffixed-x28"
+%endif
 %ifarch %arm
 export CFLAGS="${CFLAGS/-g / }"
 %endif