diff --git a/test/adapters/mysql_test.rb b/test/adapters/mysql_test.rb
index bded20b0c..5c288344e 100644
--- a/test/adapters/mysql_test.rb
+++ b/test/adapters/mysql_test.rb
@@ -92,6 +92,10 @@ def test_binary
     run_statement "SELECT UNHEX('F6'), 1", format: "html"
   end
 
+  def test_binary_output
+    assert_result [{"hello" => "0xF6"}], "SELECT UNHEX('F6') AS hello"
+  end
+
   private
 
   def prepared_statements?
diff --git a/test/adapters/postgresql_test.rb b/test/adapters/postgresql_test.rb
index 6828ce58b..de80b2edc 100644
--- a/test/adapters/postgresql_test.rb
+++ b/test/adapters/postgresql_test.rb
@@ -67,4 +67,8 @@ def test_bad_position_after
   def test_quoted
     assert_error "could not determine data type of parameter $1", "SELECT '{var}' AS hello", var: "world"
   end
+
+  def test_binary_output
+    assert_result [{"bytea" => "\\x68656c6c6f"}], "SELECT 'hello'::bytea"
+  end
 end