diff --git a/root/Makefile b/root/Makefile
index 6b89509..84b0466 100644
--- a/root/Makefile
+++ b/root/Makefile
@@ -14,7 +14,7 @@ root: root.o
 	$(LD) -Tlink.ld $^ -o $@
 
 init.cpio: root
-	find . -type f -not -name "*.cpio" | cpio -ov -H crc > init.cpio
+	find . -type f -executable | cpio -ov -H crc > init.cpio
 
 clean:
 	rm -f *.o root
diff --git a/root/root.S b/root/root.S
index 6e8e4eb..4d8c41f 100644
--- a/root/root.S
+++ b/root/root.S
@@ -11,15 +11,15 @@ _start:
 .loop:
 	lb	a2, 0(t0)
 	beqz	a2, .yield
-	# msg: label = DebugPutChar(1), bits = 1, length = 3
+	# msg: label = DebugPutChar(1), bits = 1, length = 3, transfer_cap = false
 	# ptr: (any)
-	syscall (1<<13 | 0<<7 | 3), 0
+	syscall (1<<14 | 0<<8 | 3<<1 | 0), 0
 	addi	t0, t0, 1
 	j	.loop
 .yield:
-	# msg: label = Yield(2), bits = 1, length = 2
+	# msg: label = Yield(2), bits = 1, length = 2, transfer_cap = false
 	# ptr: (any)
-	syscall (2<<13 | 0<<7 | 2), 0
+	syscall (2<<14 | 0<<8 | 2<<1 | 0), 0
 	j	_start
 
 .data