diff --git a/test/test_go.rb b/test/test_go.rb
index 494d3cd..e41201f 100644
--- a/test/test_go.rb
+++ b/test/test_go.rb
@@ -1081,7 +1081,7 @@ class TestGoFZF < TestBase
   end
 
   def test_invalid_term
-    lines = `TERM=xxx #{FZF}`
+    lines = `TERM=xxx #{FZF} 2>&1`
     assert_equal 2, $?.exitstatus
     assert lines.include?('Invalid $TERM: xxx') || lines.include?('terminal entry not found')
   end