diff --git a/go/tests/func/strlen_test/main.go b/go/tests/func/strlen_test/main.go
index dfc75884d..710dbcb2a 100644
--- a/go/tests/func/strlen_test/main.go
+++ b/go/tests/func/strlen_test/main.go
@@ -23,7 +23,7 @@ func main() {
 	table = append(table, randomStringCharset)
 
 	for _, s := range table {
-		lib.Challenge("StrLen", student.strLen, StrLen, s)
+		lib.Challenge("StrLen", student.StrLen, strLen, s)
 	}
 }