diff --git a/test/asm/long-rpn-expression.asm b/test/asm/long-rpn-expression.asm
index 37503db3..150c8444 100644
--- a/test/asm/long-rpn-expression.asm
+++ b/test/asm/long-rpn-expression.asm
@@ -3,7 +3,7 @@ SECTION "sec", ROM0
 X0 EQUS "0"
 
 m: MACRO
-\1 EQUS STRCAT("{X\2}", "+0")
+\1 EQUS STRCAT("{X\2}", "+1")
 ENDM
 
 n = 0