diff --git a/go/tests/boolean_test/boolean_correct/main.go b/go/tests/boolean_test/boolean_correct/main.go
index 86314ad9..e94d966b 100644
--- a/go/tests/boolean_test/boolean_correct/main.go
+++ b/go/tests/boolean_test/boolean_correct/main.go
@@ -6,7 +6,7 @@ import (
 )
 
 func main() {
-	if len(os.Args)-1%2 == 0 {
+	if len(os.Args[1:])%2 == 0 {
 		fmt.Println("I have an even number of arguments")
 	} else {
 		fmt.Println("I have an odd number of arguments")