--- contrib/x265_12bit/module.defs.orig	2020-01-25 15:34:39 UTC
+++ contrib/x265_12bit/module.defs
@@ -19,6 +19,10 @@ X265_12.CONFIGURE.static      =
 X265_12.CONFIGURE.shared      = -DENABLE_SHARED=OFF
 X265_12.CONFIGURE.extra       = -DENABLE_CLI=OFF -DHIGH_BIT_DEPTH=ON -DEXPORT_C_API=OFF -DMAIN12=ON
 
+ifneq (x86_64,$(BUILD.machine))
+    X265_12.CONFIGURE.extra       += -DENABLE_ASSEMBLY=0
+endif
+
 ifneq (1,$(FEATURE.numa))
     X265_12.CONFIGURE.extra  += -DENABLE_LIBNUMA=OFF
 endif