diff --git a/lib/ex_json_schema/schema.ex b/lib/ex_json_schema/schema.ex
index 6a01144..e0551f6 100644
--- a/lib/ex_json_schema/schema.ex
+++ b/lib/ex_json_schema/schema.ex
@@ -373,13 +373,13 @@ defmodule ExJsonSchema.Schema do
     end)
   end
 
-  defp meta04?(%{"$schema" => @draft4_schema_url <> _}), do: true
+  defp meta04?(%{"$id" => @draft4_schema_url <> _}), do: true
   defp meta04?(_), do: false
 
-  defp meta06?(%{"$schema" => @draft6_schema_url <> _}), do: true
+  defp meta06?(%{"$id" => @draft6_schema_url <> _}), do: true
   defp meta06?(_), do: false
 
-  defp meta07?(%{"$schema" => @draft7_schema_url <> _}), do: true
+  defp meta07?(%{"$id" => @draft7_schema_url <> _}), do: true
   defp meta07?(_), do: false
 
   defp do_get_fragment(nil, _, _ref), do: {:error, :invalid_reference}
diff --git a/test/ex_json_schema/schema_test.exs b/test/ex_json_schema/schema_test.exs
index d28569e..bf10651 100644
--- a/test/ex_json_schema/schema_test.exs
+++ b/test/ex_json_schema/schema_test.exs
@@ -34,9 +34,18 @@ defmodule ExJsonSchema.SchemaTest do
   test "schema is validated against its meta-schema" do
     schema = %{"properties" => "foo"}
 
+    schema_meta_draft7 = %{
+      "$schema" => "http://json-schema.org/draft-07/schema#",
+      "properties" => "foo"
+    }
+
     assert_raise ExJsonSchema.Schema.InvalidSchemaError,
                  ~s(schema did not pass validation against its meta-schema: [%ExJsonSchema.Validator.Error{error: %ExJsonSchema.Validator.Error.Type{actual: "string", expected: ["object"]}, path: "#/properties"}]),
                  fn -> resolve(schema) end
+
+    assert_raise ExJsonSchema.Schema.InvalidSchemaError,
+                 ~s(schema did not pass validation against its meta-schema: [%ExJsonSchema.Validator.Error{error: %ExJsonSchema.Validator.Error.Type{actual: "string", expected: ["object"]}, path: "#/properties"}]),
+                 fn -> resolve(schema_meta_draft7) end
   end
 
   test "resolving an absolute reference in a scoped schema" do