diff --git a/libsrc/apple2/ser/a2.ssc.s b/libsrc/apple2/ser/a2.ssc.s
index 762050a66..f48e948ed 100644
--- a/libsrc/apple2/ser/a2.ssc.s
+++ b/libsrc/apple2/ser/a2.ssc.s
@@ -265,7 +265,7 @@ NotIIgs:ldx     #<$C000
         lsr
         bcc     AciaOK
 
-NotAcia:lda     tmp2             ; Restore original values
+NotAcia:lda     tmp2            ; Restore original values
         sta     ACIA_CMD,x
         lda     tmp1
         sta     ACIA_STATUS,x