diff --git a/sys/conf/options.arm b/sys/conf/options.arm
index ef0179352e2..387010c01cf 100644
--- a/sys/conf/options.arm
+++ b/sys/conf/options.arm
@@ -16,3 +16,5 @@ STARTUP_PAGETABLE_ADDR	opt_global.h
 XSCALE_CACHE_READ_WRITE_ALLOCATE	opt_global.h
 XSACLE_DISABLE_CCNT	opt_timer.h
 VERBOSE_INIT_ARM	opt_global.h
+AT91_TSC		opt_at91.h
+AT91_KWIKBYTE		opt_at91.h