diff --git a/Mk/bsd.options.mk b/Mk/bsd.options.mk
--- a/Mk/bsd.options.mk
+++ b/Mk/bsd.options.mk
@@ -219,7 +219,11 @@
 .  endfor
 
 # Add per arch defaults
+.  if defined(OPTIONS_DEFAULT_${ARCH})
 OPTIONS_DEFAULT+=	${OPTIONS_DEFAULT_${ARCH}}
+.  else
+OPTIONS_DEFAULT+=	${OPTIONS_DEFAULT_OTHER_ARCHS}
+.  endif
 
 _ALL_EXCLUDE=	${OPTIONS_EXCLUDE_${ARCH}} ${OPTIONS_EXCLUDE} \
 		${OPTIONS_SLAVE} ${OPTIONS_EXCLUDE_${OPSYS}} \