diff --git a/lib/federation/activity_pub/utils.ex b/lib/federation/activity_pub/utils.ex
index 1d827acdb..c44d70a37 100644
--- a/lib/federation/activity_pub/utils.ex
+++ b/lib/federation/activity_pub/utils.ex
@@ -55,99 +55,9 @@ defmodule Mobilizon.Federation.ActivityPub.Utils do
   def make_json_ld_header do
     %{
       "@context" => [
-        "https://www.w3.org/ns/activitystreams",
-        "https://litepub.social/context.jsonld",
+        "https://joinmobilizon.org/schemas/jmz-2.0.jsonld",
         %{
-          "@language" => "und",
-          "sc" => "http://schema.org#",
-          "ical" => "http://www.w3.org/2002/12/cal/ical#",
-          "pt" => "https://joinpeertube.org/ns#",
-          "toot" => "http://joinmastodon.org/ns#",
-          "discoverable" => "toot:discoverable",
-          "manuallyApprovesFollowers" => "as:manuallyApprovesFollowers",
-          "Hashtag" => "as:Hashtag",
-          "category" => "sc:category",
-          "uuid" => "sc:identifier",
-          "maximumAttendeeCapacity" => "sc:maximumAttendeeCapacity",
-          "location" => %{
-            "@id" => "sc:location",
-            "@type" => "sc:Place"
-          },
-          "PostalAddress" => "sc:PostalAddress",
-          "address" => %{
-            "@id" => "sc:address",
-            "@type" => "sc:PostalAddress"
-          },
-          "addressCountry" => "sc:addressCountry",
-          "addressRegion" => "sc:addressRegion",
-          "postalCode" => "sc:postalCode",
-          "addressLocality" => "sc:addressLocality",
-          "streetAddress" => "sc:streetAddress",
-          "mz" => "https://joinmobilizon.org/ns#",
-          "repliesModerationOptionType" => %{
-            "@id" => "mz:repliesModerationOptionType",
-            "@type" => "rdfs:Class"
-          },
-          "repliesModerationOption" => %{
-            "@id" => "mz:repliesModerationOption",
-            "@type" => "mz:repliesModerationOptionType"
-          },
-          "commentsEnabled" => %{
-            "@type" => "sc:Boolean",
-            "@id" => "pt:commentsEnabled"
-          },
-          "joinModeType" => %{
-            "@id" => "mz:joinModeType",
-            "@type" => "rdfs:Class"
-          },
-          "joinMode" => %{
-            "@id" => "mz:joinMode",
-            "@type" => "mz:joinModeType"
-          },
-          "anonymousParticipationEnabled" => %{
-            "@id" => "mz:anonymousParticipationEnabled",
-            "@type" => "sc:Boolean"
-          },
-          "participationMessage" => %{
-            "@id" => "mz:participationMessage",
-            "@type" => "sc:Text"
-          },
-          "PropertyValue" => "sc:PropertyValue",
-          "value" => "sc:value",
-          "propertyID" => "sc:propertyID",
-          "inLanguage" => "sc:inLanguage",
-          "timezone" => %{
-            "@id" => "mz:timezone",
-            "@type" => "sc:Text"
-          },
-          "discussions" => %{
-            "@id" => "mz:discussions",
-            "@type" => "@id"
-          },
-          "events" => %{
-            "@id" => "mz:events",
-            "@type" => "@id"
-          },
-          "members" => %{
-            "@id" => "mz:members",
-            "@type" => "@id"
-          },
-          "openness" => %{
-            "@id" => "mz:openness",
-            "@type" => "@id"
-          },
-          "posts" => %{
-            "@id" => "mz:posts",
-            "@type" => "@id"
-          },
-          "resources" => %{
-            "@id" => "mz:resources",
-            "@type" => "@id"
-          },
-          "todos" => %{
-            "@id" => "mz:todos",
-            "@type" => "@id"
-          }
+          "@language" => "und"
         }
       ]
     }
diff --git a/priv/schemas/jmz-2.0.jsonld b/priv/schemas/jmz-2.0.jsonld
new file mode 100644
index 000000000..ca72f2555
--- /dev/null
+++ b/priv/schemas/jmz-2.0.jsonld
@@ -0,0 +1,97 @@
+{
+  "@context": [
+    "https://www.w3.org/ns/activitystreams",
+    "https://w3id.org/security/v1",
+    {
+      "sc": "http://schema.org#",
+      "ical": "http://www.w3.org/2002/12/cal/ical#",
+      "pt": "https://joinpeertube.org/ns#",
+      "toot": "http://joinmastodon.org/ns#",
+      "mz": "https://joinmobilizon.org/ns#",
+      "discoverable": "toot:discoverable",
+      "manuallyApprovesFollowers": "as:manuallyApprovesFollowers",
+      "Hashtag": "as:Hashtag",
+      "category": "sc:category",
+      "uuid": "sc:identifier",
+      "maximumAttendeeCapacity": "sc:maximumAttendeeCapacity",
+      "location": {
+        "@id": "sc:location",
+        "@type": "sc:Place"
+      },
+      "PostalAddress": "sc:PostalAddress",
+      "address": {
+        "@id": "sc:address",
+        "@type": "sc:PostalAddress"
+      },
+      "addressCountry": "sc:addressCountry",
+      "addressRegion": "sc:addressRegion",
+      "postalCode": "sc:postalCode",
+      "addressLocality": "sc:addressLocality",
+      "streetAddress": "sc:streetAddress",
+      "repliesModerationOptionType": {
+        "@id": "mz:repliesModerationOptionType",
+        "@type": "rdfs:Class"
+      },
+      "repliesModerationOption": {
+        "@id": "mz:repliesModerationOption",
+        "@type": "mz:repliesModerationOptionType"
+      },
+      "commentsEnabled": {
+        "@type": "sc:Boolean",
+        "@id": "pt:commentsEnabled"
+      },
+      "joinModeType": {
+        "@id": "mz:joinModeType",
+        "@type": "rdfs:Class"
+      },
+      "joinMode": {
+        "@id": "mz:joinMode",
+        "@type": "mz:joinModeType"
+      },
+      "anonymousParticipationEnabled": {
+        "@id": "mz:anonymousParticipationEnabled",
+        "@type": "sc:Boolean"
+      },
+      "participationMessage": {
+        "@id": "mz:participationMessage",
+        "@type": "sc:Text"
+      },
+      "PropertyValue": "sc:PropertyValue",
+      "value": "sc:value",
+      "propertyID": "sc:propertyID",
+      "inLanguage": "sc:inLanguage",
+      "timezone": {
+        "@id": "mz:timezone",
+        "@type": "sc:Text"
+      },
+      "discussions": {
+        "@id": "mz:discussions",
+        "@type": "@id"
+      },
+      "events": {
+        "@id": "mz:events",
+        "@type": "@id"
+      },
+      "members": {
+        "@id": "mz:members",
+        "@type": "@id"
+      },
+      "openness": {
+        "@id": "mz:openness",
+        "@type": "@id"
+      },
+      "posts": {
+        "@id": "mz:posts",
+        "@type": "@id"
+      },
+      "resources": {
+        "@id": "mz:resources",
+        "@type": "@id"
+      },
+      "todos": {
+        "@id": "mz:todos",
+        "@type": "@id"
+      }
+    }
+  ]
+}