diff --git a/crt0.s b/crt0.s
index 73d5efeb..3b5b9e4d 100644
--- a/crt0.s
+++ b/crt0.s
@@ -27,5 +27,6 @@ __start:
     @ load main and branch
     ldr r0, =main
     bx  r0
+.pool
 
 .include "interrupt_simple.s"
diff --git a/interrupt_simple.s b/interrupt_simple.s
index 0d91381f..de64d181 100644
--- a/interrupt_simple.s
+++ b/interrupt_simple.s
@@ -15,3 +15,4 @@ InterruptHandlerSimple:
     strh r1, [r2] @ acknowlege bios requests
     
     bx lr @ return to bios
+.pool