diff --git a/string.asm b/string.asm
index e382f43..d2c1147 100644
--- a/string.asm
+++ b/string.asm
@@ -961,6 +961,9 @@ str      equ   4                        pointer to the string
          tyx                             null
          short M
 lb1      lda   [str],Y
+         beq   lb2
+         iny
+         lda   [str],Y
          beq   lb2
          iny
          bne   lb1