diff --git a/bsp/abstract-machine/src/interrupt.c b/bsp/abstract-machine/src/interrupt.c
index b7d8ab3..1652c5d 100644
--- a/bsp/abstract-machine/src/interrupt.c
+++ b/bsp/abstract-machine/src/interrupt.c
@@ -2,7 +2,7 @@
 #include <klib.h>
 
 void rt_hw_interrupt_enable() {
-  assert(0);
+  iset(1);
 }
 
 void rt_hw_interrupt_disable() {