diff --git a/dos33_boot_test.go b/dos33_boot_test.go
index b20aad5..04f63c6 100644
--- a/dos33_boot_test.go
+++ b/dos33_boot_test.go
@@ -19,9 +19,9 @@ const dosDiskImage = "dos33.dsk"
 func runDos33Boot(t *testing.T) {
 	// Boot up DOS3.3
 	utils.RunUntilBreakPoint(t, 0x0801, 2, false, "Boot0")
-	utils.RunUntilBreakPoint(t, 0xb700, 2, false, "Boot1")
-	utils.RunUntilBreakPoint(t, 0x9d84, 2, false, "Boot2")
-	utils.RunUntilBreakPoint(t, 0xd7d2, 5, false, "JMP to basic interpreter NEWSTT")
+	utils.RunUntilBreakPoint(t, 0x3700, 1, false, "Boot1") // $3700 is for master disk, $b700 for slave
+	utils.RunUntilBreakPoint(t, 0x9d84, 3, false, "Boot2")
+	utils.RunUntilBreakPoint(t, 0xd7d2, 2, false, "JMP to basic interpreter NEWSTT")
 }
 
 func TestDOS33Boot(t *testing.T) {