diff --git a/shared/lib/Chrono/Collection/CollectionPropertiesBaseInterface.php b/shared/lib/Chrono/Collection/CollectionPropertiesBaseInterface.php
index 249999a..eeb4ca6 100644
--- a/shared/lib/Chrono/Collection/CollectionPropertiesBaseInterface.php
+++ b/shared/lib/Chrono/Collection/CollectionPropertiesBaseInterface.php
@@ -13,7 +13,7 @@ use KTXF\Resource\Provider\Node\NodePropertiesBaseInterface;
 
 interface CollectionPropertiesBaseInterface extends NodePropertiesBaseInterface {
 
-	public const JSON_TYPE = 'chrono.collection';
+	public const JSON_TYPE = 'chrono:collection';
 	public const JSON_PROPERTY_CONTENTS = 'content';
 
 	public const JSON_PROPERTY_LABEL = 'label';
diff --git a/shared/lib/Chrono/Entity/EntityPropertiesBaseInterface.php b/shared/lib/Chrono/Entity/EntityPropertiesBaseInterface.php
index 2ea578d..8f91c6e 100644
--- a/shared/lib/Chrono/Entity/EntityPropertiesBaseInterface.php
+++ b/shared/lib/Chrono/Entity/EntityPropertiesBaseInterface.php
@@ -13,7 +13,7 @@ use KTXF\Resource\Provider\Node\NodePropertiesBaseInterface;
 
 interface EntityPropertiesBaseInterface extends NodePropertiesBaseInterface {
 
-	public const JSON_TYPE = 'chrono.entity';
+	public const JSON_TYPE = 'chrono:entity';
 	public const JSON_PROPERTY_DATA = 'data';
 
 	public function getDataRaw(): array|string|null;
diff --git a/shared/lib/Chrono/Provider/ProviderBaseInterface.php b/shared/lib/Chrono/Provider/ProviderBaseInterface.php
index c10a531..87efb1b 100644
--- a/shared/lib/Chrono/Provider/ProviderBaseInterface.php
+++ b/shared/lib/Chrono/Provider/ProviderBaseInterface.php
@@ -18,6 +18,6 @@ use KTXF\Resource\Provider\ResourceProviderBaseInterface;
  */
 interface ProviderBaseInterface extends ResourceProviderBaseInterface{
 
-    public const JSON_TYPE = 'chrono.provider';
+    public const JSON_TYPE = 'chrono:provider';
     
 }
diff --git a/shared/lib/Chrono/Service/ServiceBaseInterface.php b/shared/lib/Chrono/Service/ServiceBaseInterface.php
index 9d1da51..3cd63b3 100644
--- a/shared/lib/Chrono/Service/ServiceBaseInterface.php
+++ b/shared/lib/Chrono/Service/ServiceBaseInterface.php
@@ -60,7 +60,7 @@ interface ServiceBaseInterface extends ResourceServiceBaseInterface {
     public const CAPABILITY_ENTITY_RANGE_TALLY_RELATIVE = 'relative';
     public const CAPABILITY_ENTITY_RANGE_DATE = 'date';
 
-    public const JSON_TYPE = 'chrono.service';
+    public const JSON_TYPE = 'chrono:service';
 
     /**
      * Lists all collections in this service