diff --git a/chip8/chip8_test.go b/chip8/chip8_test.go
index 0d88064..c39fb76 100644
--- a/chip8/chip8_test.go
+++ b/chip8/chip8_test.go
@@ -22,7 +22,7 @@ func slicesEqual(x, y []byte) bool {
 func TestCreateCPU(t *testing.T) {
 	prog := []byte{1, 2, 3, 4}
 	newCPU := NewCHIP8(prog)
-	if !slicesEqual(newCPU.memory[200:204], prog) {
+	if !slicesEqual(newCPU.memory[0x200:0x204], prog) {
 		t.Errorf("CPU not initalized properly")
 	}
 }