diff --git a/helpers/make-thunderbird b/helpers/make-thunderbird
index 4306a48..78e2151 100644
--- a/helpers/make-thunderbird
+++ b/helpers/make-thunderbird
@@ -124,8 +124,10 @@ sed 's/com.ubuntu/org.trisquel/' -i debian/config/mozconfig.in
 ## Add other archs that might present the same lack of disable-eme option
 cat << ARCH >> debian/config/mozconfig.in
 %%if DEB_HOST_ARCH != armhf
+%%if DEB_HOST_ARCH != arm64
 ac_add_options --disable-eme
 %%endif
+%%endif
 ARCH
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