diff --git a/ext/json/generator/generator.c b/ext/json/generator/generator.c
index 32a9b485139041..6ece9f05385491 100644
--- a/ext/json/generator/generator.c
+++ b/ext/json/generator/generator.c
@@ -1549,7 +1549,7 @@ static VALUE cState_generate_new(int argc, VALUE *argv, VALUE self)
         .buffer = &buffer,
         .vstate = Qfalse,
         .state = state,
-        .depth = 0,
+        .depth = state->depth,
         .obj = obj,
         .func = generate_json
     };
diff --git a/test/json/json_coder_test.rb b/test/json/json_coder_test.rb
index 83b89a3b13dea9..47e12ff919d660 100755
--- a/test/json/json_coder_test.rb
+++ b/test/json/json_coder_test.rb
@@ -132,6 +132,11 @@ def test_json_coder_string_invalid_encoding
     assert_equal 2, calls
   end
 
+  def test_depth
+    coder = JSON::Coder.new(object_nl: "\n", array_nl: "\n", space: " ", indent: "  ", depth: 1)
+    assert_equal %({\n    "foo": 42\n  }), coder.dump(foo: 42)
+  end
+
   def test_nesting_recovery
     coder = JSON::Coder.new
     ary = []