diff --git a/src/mon_m65/mon_command_disassemble.s b/src/mon_m65/mon_command_disassemble.s
index 884d7673..6bc8269e 100644
--- a/src/mon_m65/mon_command_disassemble.s
+++ b/src/mon_m65/mon_command_disassemble.s
@@ -3,6 +3,7 @@
 
 Mon_Disassemble:
 
+	lda  Adr_Mode
 	pha                      ; store addressing mode, in case no parameter is given
 	lda  #$00
 	sta  Adr_Mode            ; by default use C64-style addressing