diff --git a/test/rbenv.bats b/test/rbenv.bats
index 5b52adc1..4a6d1414 100644
--- a/test/rbenv.bats
+++ b/test/rbenv.bats
@@ -5,7 +5,7 @@ load test_helper
 @test "blank invocation" {
   run rbenv
   assert_success
-  assert [ "${lines[0]}" = "rbenv 0.4.0" ]
+  assert_line 0 "$(rbenv---version)"
 }
 
 @test "invalid command" {