diff --git a/acceptance-tests/add_four_ints.asm b/acceptance-tests/add_four_ints.asm
index 1ea913e..987a3ea 100644
--- a/acceptance-tests/add_four_ints.asm
+++ b/acceptance-tests/add_four_ints.asm
@@ -13,3 +13,4 @@ MOV R1.l, 0
 MOV R1.h, 5
 ADD
 MOV [0xf], R0
+HALT
diff --git a/acceptance-tests/add_four_ints.pgm b/acceptance-tests/add_four_ints.pgm
index 8a8a712..456bf7e 100644
--- a/acceptance-tests/add_four_ints.pgm
+++ b/acceptance-tests/add_four_ints.pgm
@@ -1,5 +1,5 @@
 P2
-9 1
+10 1
 255
 
 67  # MOV R0.l, 3
@@ -11,3 +11,4 @@ P2
 117 # MOV R1.h, 5
 228 # ADD
 47  # MOV [0xf], R0
+245 # HALT