diff --git a/src/asm/asm.cond.s b/src/asm/asm.cond.s
index fad3d0e..0c937a4 100644
--- a/src/asm/asm.cond.s
+++ b/src/asm/asm.cond.s
@@ -1828,7 +1828,7 @@ macfind
               sta   lableptr+2
               stz   ]offset
               lda   [lableptr]
-              and   #$0f
+              and   #label_mask
               sta   ]len2
               sep   $20
               ldx   #$02                   ;start at byte 2
diff --git a/src/asm/asm.dsk.s b/src/asm/asm.dsk.s
index 8549b09..0e0ce17 100644
--- a/src/asm/asm.dsk.s
+++ b/src/asm/asm.dsk.s
@@ -694,7 +694,7 @@ writerel     php                                                     ;must enter
              ldy           #$00
              stz           :offset
              lda           [lableptr]
-             and           #$0F
+             and           #label_mask
              bne           :stalen
              inc           :main
              jmp           :loop