diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 5d944ee..3185ae9 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -7,6 +7,14 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 
+[v0.11.1] - 2023-11-22
+---------------------
+
+Fixed
+~~~~~
+
+* reference system parsing for `gmx:Anchor` elements
+
 
 [v0.11.1] - 2023-11-22
 ---------------------
diff --git a/ows_lib/__init__.py b/ows_lib/__init__.py
index 79b9e43..8214ceb 100644
--- a/ows_lib/__init__.py
+++ b/ows_lib/__init__.py
@@ -1,2 +1,2 @@
-__version__ = "0.11.1"
+__version__ = "0.11.2"
 VERSION = __version__  # synonym
diff --git a/ows_lib/xml_mapper/iso_metadata/iso_metadata.py b/ows_lib/xml_mapper/iso_metadata/iso_metadata.py
index 99af98d..1f2d3dc 100644
--- a/ows_lib/xml_mapper/iso_metadata/iso_metadata.py
+++ b/ows_lib/xml_mapper/iso_metadata/iso_metadata.py
@@ -102,6 +102,7 @@ class ReferenceSystem(CustomXmlObject, xmlmap.XmlObject):
                             ("gco", GCO_NAMESPACE)])
 
     _ref_system = xmlmap.StringField(xpath="gmd:code/gco:CharacterString")
+    _gmx_ref_system = xmlmap.StringField(xpath="gmd:code/gmx:Anchor")
 
     def __eq__(self, other):
         return self.code == other.code and self.prefix == other.prefix
@@ -112,13 +113,18 @@ def transform_to_model(self) -> Dict:
         return attr
 
     def _parse_ref_system(self):
-        if "http://www.opengis.net/def/crs/EPSG" in self._ref_system:
-            code = self._ref_system.split("/")[-1]
-            prefix = "EPSG"
+        ref_child = self._ref_system if self._ref_system else self._gmx_ref_system
+        if ref_child:
+            if "http://www.opengis.net/def/crs/EPSG" in ref_child:
+                code = ref_child.split("/")[-1]
+                prefix = "EPSG"
+            else:
+                code = ref_child.split(":")[-1]
+                prefix = "EPSG"
+
+            return code, prefix
         else:
-            code = self._ref_system.split(":")[-1]
-            prefix = "EPSG"
-        return code, prefix
+            return None
 
     @property
     def code(self):
diff --git a/tests/test_data/iso_metadata/dataset.xml b/tests/test_data/iso_metadata/dataset.xml
index 1d128e8..9edf8da 100644
--- a/tests/test_data/iso_metadata/dataset.xml
+++ b/tests/test_data/iso_metadata/dataset.xml
@@ -92,7 +92,7 @@ ISO 19115-2 Geographic information — Metadata — Part 2: Extensions for image
             <gmd:referenceSystemIdentifier>
                 <gmd:RS_Identifier>
                     <gmd:code>
-                        <gco:CharacterString>http://www.opengis.net/def/crs/EPSG/0/4258</gco:CharacterString>
+                        <gmx:Anchor xlink:href="http://www.opengis.net/def/crs/EPSG/0/4258">EPSG:4258</gmx:Anchor>
                     </gmd:code>
                 </gmd:RS_Identifier>
             </gmd:referenceSystemIdentifier>