diff --git a/lang/basic/test/opg2.b b/lang/basic/test/opg2.b
index 5ed64c80b..dbbfca326 100644
--- a/lang/basic/test/opg2.b
+++ b/lang/basic/test/opg2.b
@@ -7,7 +7,7 @@
 160 rem determine absolute value of x1-x
 170 let n= x1-x
 180 if n>= 0 then 200
-19 let n= 0-n
+190 let n= 0-n
 200 if n<e then 230
 210 let x=x1
 220 goto 150