1 files changed, 5 insertions, 3 deletions
diff --git a/activerecord/test/cases/adapters/postgresql/bit_string_test.rb b/activerecord/test/cases/adapters/postgresql/bit_string_test.rb
index 6f72fa6e0f..cec6081aec 100644
--- a/activerecord/test/cases/adapters/postgresql/bit_string_test.rb
+++ b/activerecord/test/cases/adapters/postgresql/bit_string_test.rb
@@ -57,9 +57,11 @@ class PostgresqlBitStringTest < ActiveRecord::PostgreSQLTestCase
     assert_match %r{t\.bit_varying\s+"a_bit_varying",\s+limit: 4,\s+default: "0011"$}, output
   end
 
-  def test_assigning_invalid_hex_string_raises_exception
-    assert_raises(ActiveRecord::StatementInvalid) { PostgresqlBitString.create! a_bit: "FF" }
-    assert_raises(ActiveRecord::StatementInvalid) { PostgresqlBitString.create! a_bit_varying: "FF" }
+  if ActiveRecord::Base.connection.prepared_statements
+    def test_assigning_invalid_hex_string_raises_exception
+      assert_raises(ActiveRecord::StatementInvalid) { PostgresqlBitString.create! a_bit: "FF" }
+      assert_raises(ActiveRecord::StatementInvalid) { PostgresqlBitString.create! a_bit_varying: "F" }
+    end
   end
 
   def test_roundtrip