diff --git a/firefox.spec b/firefox.spec
index 20b0a31..57ad132 100644
--- a/firefox.spec
+++ b/firefox.spec
@@ -429,7 +429,11 @@ echo "use_rustts            %{?use_rustts}"
 %patch215 -p1 -b .addons
 %patch219 -p1 -b .rhbz-1173156
 %patch224 -p1 -b .1170092
+
+# the nss changed in 8.6 and later, so addons are working in older releases
+%if 0%{?rhel_minor_version} >= 6
 %patch225 -p1 -b .firefox-nss-addon-hack
+%endif
 
 # Patch for big endian platforms only
 %if 0%{?big_endian}