diff --git a/MozillaThunderbird.spec b/MozillaThunderbird.spec
index 83b5381..858cce9 100644
--- a/MozillaThunderbird.spec
+++ b/MozillaThunderbird.spec
@@ -264,7 +264,7 @@ ac_add_options --enable-alsa
 %if 0%{?suse_version} > 1320
 ac_add_options --enable-optimize="-g -O2"
 %endif
-farch %ix86 %arm
+%ifarch %ix86 %arm
 %if 0%{?suse_version} > 1230
 ac_add_options --disable-optimize
 %endif