diff --git a/rest_framework_yaml/compat.py b/rest_framework_yaml/compat.py
index 9f6c147..2e5efc0 100644
--- a/rest_framework_yaml/compat.py
+++ b/rest_framework_yaml/compat.py
@@ -36,3 +36,9 @@
 except ImportError:
     ReturnDict = None
     ReturnList = None
+
+try:
+    # Note: ErrorDetail was introduced in DRF 3.5.0
+    from rest_framework.exceptions import ErrorDetail
+except ImportError:
+    ErrorDetail = None
diff --git a/rest_framework_yaml/encoders.py b/rest_framework_yaml/encoders.py
index a69dc70..848ae19 100644
--- a/rest_framework_yaml/encoders.py
+++ b/rest_framework_yaml/encoders.py
@@ -2,13 +2,14 @@
 Helper classes for parsers.
 """
 from __future__ import unicode_literals
+
 import decimal
 import types
 
 from django.utils import six
 
 from .compat import (
-    yaml, yaml_represent_text, Hyperlink, OrderedDict, ReturnDict, ReturnList
+    yaml, yaml_represent_text, Hyperlink, OrderedDict, ReturnDict, ReturnList, ErrorDetail
 )
 
 
@@ -80,3 +81,9 @@ def represent_mapping(self, tag, mapping, flow_style=None):
         ReturnList,
         yaml.representer.SafeRepresenter.represent_list
     )
+
+if ErrorDetail:
+    SafeDumper.add_representer(
+        ErrorDetail,
+        yaml_represent_text
+    )