diff --git a/requests_html.py b/requests_html.py
index 6b4ae4d..c451be8 100644
--- a/requests_html.py
+++ b/requests_html.py
@@ -302,8 +302,9 @@ class Element(BaseParser):
         attrs = {k: v for k, v in self.element.items()}
 
         # Split class up, as there are ussually many of them:
-        if 'class' in attrs:
-            attrs['class'] = tuple(attrs['class'].split())
+        for attr in ['class']:
+            if attr in attrs:
+                attrs[attr] = tuple(attrs[attr].split())
 
         return attrs
 
diff --git a/tests/test_requests_html.py b/tests/test_requests_html.py
index d0f34ee..1cfa72c 100644
--- a/tests/test_requests_html.py
+++ b/tests/test_requests_html.py
@@ -21,6 +21,14 @@ def test_file_get():
     assert r.status_code == 200
 
 
+@pytest.mark.ok
+def test_class_seperation():
+    r = get()
+
+    about = r.html.find('#about', first=True)
+    assert len(about.attrs['class']) == 2
+
+
 @pytest.mark.ok
 def test_css_selector():
     r = get()
@@ -151,4 +159,4 @@ def test_bare_js_eval():
 
 
 if __name__ == '__main__':
-    test_anchor_links()
+    test_class_seperation()