diff --git a/firefox.spec b/firefox.spec
index 797d529..f59a225 100644
--- a/firefox.spec
+++ b/firefox.spec
@@ -1574,6 +1574,13 @@ MOZ_OPT_FLAGS="$MOZ_OPT_FLAGS -DNSS_PKCS11_3_0_STRICT"
 
 echo "export CFLAGS=\"$MOZ_OPT_FLAGS\"" >> .mozconfig
 echo "export CXXFLAGS=\"$MOZ_OPT_FLAGS\"" >> .mozconfig
+%ifarch aarch64
+echo "export ASFLAGS=\"-mbranch-protection=standard\"" >> .mozconfig
+%endif
+%ifarch x86_64
+echo "export ASFLAGS=\"-fcf-protection=full\"" >> .mozconfig
+%endif
+
 echo "export LDFLAGS=\"$MOZ_LINK_FLAGS\"" >> .mozconfig
 echo "export CC=gcc" >> .mozconfig
 echo "export CXX=g++" >> .mozconfig