diff --git a/src/kernal/iec/iec_send_file_name.s b/src/kernal/iec/iec_send_file_name.s
index 19cd316b..e32c76d3 100644
--- a/src/kernal/iec/iec_send_file_name.s
+++ b/src/kernal/iec/iec_send_file_name.s
@@ -11,11 +11,18 @@
 
 
 iec_send_file_name:
-	ldy #0
+
+	ldy #$00
+
+!ifdef CONFIG_MB_M65 {
+	jsr m65dos_check
+	+bcc m65dos_send_file_name_loop    ; branch if device is handeld by internal DOS
+}
 
 iec_send_file_name_loop:
+
 	cpy FNLEN
-	beq iec_send_file_name_done
+	+beq UNLSN
 
 !ifdef CONFIG_MEMORY_MODEL_60K {
 	ldx #<FNADDR+0
@@ -27,7 +34,9 @@ iec_send_file_name_loop:
 }
 
 	iny
+
 	; Set Carry flag on the last file name character, to mark EOI
+
 	cpy FNLEN
 	clc
 	bne @1
@@ -40,8 +49,37 @@ iec_send_file_name_loop:
 } else {
 	jsr iec_tx_byte
 }
-	jmp iec_send_file_name_loop
+	+bra iec_send_file_name_loop
+
+
+!ifdef CONFIG_MB_M65 {
+
+m65dos_send_file_name_loop:
+
+	cpy FNLEN
+	+beq UNLSN
+
+!ifdef CONFIG_MEMORY_MODEL_60K {
+	ldx #<FNADDR+0
+	jsr peek_under_roms
+} else ifdef CONFIG_MEMORY_MODEL_46K_OR_50K {
+	jsr peek_under_roms_via_FNADDR
+} else { ; CONFIG_MEMORY_MODEL_38K
+	lda (FNADDR),y
+}
+
+	iny
+
+	; Set Carry flag on the last file name character, to mark EOI
+	
+	cpy FNLEN
+	clc
+	bne @1
+	sec
+@1:
+	; Transmit one character
+	jsr m65dos_ciout
+	+bra m65dos_send_file_name_loop
+}
 
-iec_send_file_name_done:
-	jmp UNLSN
 }