--- a/MozillaFirefox/MozillaFirefox.spec	Mon Mar 20 16:44:08 2017 +0100
+++ b/MozillaFirefox/MozillaFirefox.spec	Mon Mar 20 17:19:31 2017 +0100
@@ -28,11 +28,9 @@
 
 %if 0%{?suse_version} > 1320
 %define firefox_use_gtk3 1
-%define firefox_use_rust 1
+%ifarch %ix86 x86_64
+%define firefox_use_rust 0
 %endif
-# Firefox is not prepared for ppc64le rust
-%ifarch ppc64le
-%define firefox_use_rust 0
 %endif
 
 # general build definitions