diff --git a/src/mon_m65/mon_command_transfer.s b/src/mon_m65/mon_command_transfer.s
index 95eb5f94..44b37f11 100644
--- a/src/mon_m65/mon_command_transfer.s
+++ b/src/mon_m65/mon_command_transfer.s
@@ -11,6 +11,7 @@ Mon_Transfer:
 	+beq Mon_Error
 
 	lda  Src_Addr_Mode
+	ora  Dst_Addr_Mode
 	sta  Addr_Mode
 
 	ldz  #0