diff --git a/src/iosanita/contenttypes/restapi/configure.zcml b/src/iosanita/contenttypes/restapi/configure.zcml
index bfe84b9..a9558d0 100644
--- a/src/iosanita/contenttypes/restapi/configure.zcml
+++ b/src/iosanita/contenttypes/restapi/configure.zcml
@@ -7,6 +7,7 @@
       package="plone.restapi"
       file="configure.zcml"
       />
+  <include package=".deserializers" />
   <include package=".services" />
   <include package=".serializers" />
 
diff --git a/src/iosanita/contenttypes/restapi/deserializers/__init__.py b/src/iosanita/contenttypes/restapi/deserializers/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/src/iosanita/contenttypes/restapi/deserializers/configure.zcml b/src/iosanita/contenttypes/restapi/deserializers/configure.zcml
new file mode 100644
index 0000000..659642d
--- /dev/null
+++ b/src/iosanita/contenttypes/restapi/deserializers/configure.zcml
@@ -0,0 +1,5 @@
+<configure xmlns="http://namespaces.zope.org/zope"
+    xmlns:zcml="http://namespaces.zope.org/zcml">
+
+    <adapter factory=".dxfields.GeolocationFieldDeserializer" />
+</configure>
diff --git a/src/iosanita/contenttypes/restapi/deserializers/dxfields.py b/src/iosanita/contenttypes/restapi/deserializers/dxfields.py
new file mode 100644
index 0000000..3046b2f
--- /dev/null
+++ b/src/iosanita/contenttypes/restapi/deserializers/dxfields.py
@@ -0,0 +1,29 @@
+# -*- coding: utf-8 -*-
+from iosanita.contenttypes import _
+from iosanita.contenttypes.interfaces import IIosanitaContenttypesLayer
+from plone.dexterity.interfaces import IDexterityContent
+from plone.formwidget.geolocation.geolocation import Geolocation
+from plone.formwidget.geolocation.interfaces import IGeolocationField
+from plone.restapi.deserializer.dxfields import DefaultFieldDeserializer
+from plone.restapi.interfaces import IFieldDeserializer
+from zope.component import adapter
+from zope.i18n import translate
+from zope.interface import implementer
+
+
+@implementer(IFieldDeserializer)
+@adapter(IGeolocationField, IDexterityContent, IIosanitaContenttypesLayer)
+class GeolocationFieldDeserializer(DefaultFieldDeserializer):
+    def __call__(self, value):
+        if "latitude" not in value or "longitude" not in value:
+            raise ValueError(
+                translate(
+                    _(
+                        "geolocation_field_validator_label",
+                        default="Invalid geolocation data: ${value}. Provide latitude and longitude coordinates.",  # noqa
+                        mapping={"value": value},
+                    ),
+                    context=self.request,
+                )
+            )
+        return Geolocation(latitude=value["latitude"], longitude=value["longitude"])