diff --git a/CHANGES.rst b/CHANGES.rst
index b4472f0..d6856a2 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -11,6 +11,10 @@ Changes
   gets passed ``widget`` and ``data`` as of yafowil 3.0.0.
   [rnix]
 
+- Parse values of attributes (data-Attributes) if type() is dict.
+  HTML5 Data-Attributes with i18n or callables are possible now.
+  [2silver]
+
 **Breaking changes:**
 
 - Add ``python:`` expressions. Needed for cases where property callbacks not
diff --git a/src/yafowil/yaml/parser.py b/src/yafowil/yaml/parser.py
index 26bf5af..acbea4a 100644
--- a/src/yafowil/yaml/parser.py
+++ b/src/yafowil/yaml/parser.py
@@ -119,8 +119,7 @@ def load_yaml(self, path):
     def create_tree(self, data):
         def call_factory(defs):
             props = dict()
-            for k, v in defs.get('props', dict()).items():
-                props[k] = self.parse_definition_value(v)
+            props = self.parse_attribute(defs.get('props', dict()))
             custom = dict()
             for custom_key, custom_value in defs.get('custom', dict()).items():
                 custom_props = list()
@@ -171,6 +170,16 @@ def create_children(node, children_defs):
         create_children(root, data.get('widgets', []))
         return root
 
+    def parse_attribute(self, value):
+        if not isinstance(value, dict):
+            return self.parse_definition_value(value)
+        for k, v in value.items():
+            if isinstance(v, dict):
+                self.parse_attribute(v)
+            else:
+                value[k] = self.parse_definition_value(v)
+        return value
+
     def parse_definition_value(self, value):
         if not isinstance(value, STR_TYPE):
             return value
diff --git a/src/yafowil/yaml/tests.py b/src/yafowil/yaml/tests.py
index 04f0091..6479935 100644
--- a/src/yafowil/yaml/tests.py
+++ b/src/yafowil/yaml/tests.py
@@ -85,6 +85,11 @@ def tearDown(self):
                 label: i18n:First Field
                 description: I am the description
                 required: I am required
+                data:
+                    flat: I am a flat data-attribute
+                    i18n: i18n:nested_firstfield:i18n Nested First Field
+                    nested:
+                        nested-i18n: i18n:nested_firstfield:i18n Nested First Field
         - secondfield:
             factory: field:label:*custom_stuff:error:select
             value: ['a', 'b']
@@ -114,7 +119,14 @@ def test_load_yaml(self):
                     'props': {
                         'description': 'I am the description',
                         'label': 'i18n:First Field',
-                        'required': 'I am required'
+                        'required': 'I am required',
+                        'data': {
+                            'flat': 'I am a flat data-attribute',
+                            'i18n': 'i18n:nested_firstfield:i18n Nested First Field',
+                            'nested': {
+                                'nested-i18n': 'i18n:nested_firstfield:i18n Nested First Field'
+                            }
+                        }
                     }
                 }
             }, {
@@ -253,9 +265,15 @@ def test_parse_from_yaml(self):
               id="form-demoform" method="post" novalidate="novalidate">
           <div class="field" id="field-demoform-firstfield">
             <label for="input-demoform-firstfield">First Field</label>
-            <input class="required text" id="input-demoform-firstfield"
-                   name="demoform.firstfield" required="required"
-                   type="text" value="First value"/>
+            <input class="required text"
+                data-flat="I am a flat data-attribute"
+                data-i18n="i18n Nested First Field"
+                data-nested="{&quot;nested-i18n&quot;: &quot;i18n Nested First Field&quot;}"
+                id="input-demoform-firstfield"
+                name="demoform.firstfield"
+                required="required"
+                type="text"
+                value="First value"/>
           </div>
           <div class="field" id="field-demoform-secondfield">
             <label for="input-demoform-secondfield"