diff --git a/src/cmd/dskio.s b/src/cmd/dskio.s
index 30cf100..28cbe0c 100644
--- a/src/cmd/dskio.s
+++ b/src/cmd/dskio.s
@@ -27,7 +27,7 @@ dskwr1: 0
    jmp i dskwr1
 
 
-iskio: 0
+dskio: 0
    cll; idiv; 80
    dac 2f
    lacq
@@ -75,4 +75,4 @@ o200000: 0200000
 dskbufp: dskbuf
 
 side: .=.+1
-dskbuf: .=.+640
\ No newline at end of file
+dskbuf: .=.+640