diff --git a/migrations/2018-09-06-182637_posts_add_source/down.sql b/migrations/2018-09-06-182637_posts_add_source/down.sql
new file mode 100644
index 00000000..43773773
--- /dev/null
+++ b/migrations/2018-09-06-182637_posts_add_source/down.sql
@@ -0,0 +1,2 @@
+-- This file should undo anything in `up.sql`
+ALTER TABLE posts DROP COLUMN source;
diff --git a/migrations/2018-09-06-182637_posts_add_source/up.sql b/migrations/2018-09-06-182637_posts_add_source/up.sql
new file mode 100644
index 00000000..a880b5ba
--- /dev/null
+++ b/migrations/2018-09-06-182637_posts_add_source/up.sql
@@ -0,0 +1,2 @@
+-- Your SQL goes here
+ALTER TABLE posts ADD COLUMN source TEXT NOT NULL DEFAULT '';
diff --git a/plume-common/src/activity_pub/mod.rs b/plume-common/src/activity_pub/mod.rs
index d3089833..d421553f 100644
--- a/plume-common/src/activity_pub/mod.rs
+++ b/plume-common/src/activity_pub/mod.rs
@@ -175,3 +175,13 @@ pub struct Hashtag {
     #[activitystreams(concrete(String), functional)]
     pub name: Option<serde_json::Value>,
 }
+
+#[derive(Clone, Debug, Default, Deserialize, Serialize)]
+#[serde(rename_all = "camelCase")]
+pub struct Source {
+    pub media_type: String,
+
+    pub content: String,
+}
+
+impl Object for Source {}
diff --git a/plume-models/src/posts.rs b/plume-models/src/posts.rs
index def6def7..967edf71 100644
--- a/plume-models/src/posts.rs
+++ b/plume-models/src/posts.rs
@@ -9,7 +9,7 @@ use heck::KebabCase;
 use serde_json;
 
 use plume_common::activity_pub::{
-    Hashtag,
+    Hashtag, Source,
     PUBLIC_VISIBILTY, Id, IntoId,
     inbox::{Deletable, FromActivity}
 };
@@ -37,6 +37,7 @@ pub struct Post {
     pub creation_date: NaiveDateTime,
     pub ap_url: String,
     pub subtitle: String,
+    pub source: String,
 }
 
 #[derive(Insertable)]
@@ -51,6 +52,7 @@ pub struct NewPost {
     pub creation_date: Option<NaiveDateTime>,
     pub ap_url: String,
     pub subtitle: String,
+    pub source: String,
 }
 
 impl Post {
@@ -239,6 +241,10 @@ impl Post {
         authors.push(self.get_blog(conn).into_id()); // add the blog URL here too
         article.object_props.set_attributed_to_link_vec::<Id>(authors).expect("Article::into_activity: attributedTo error");
         article.object_props.set_content_string(self.content.get().clone()).expect("Article::into_activity: content error");
+        article.ap_object_props.set_source_object(Source {
+            content: self.source.clone(),
+            media_type: String::from("text/markdown"),
+        }).expect("Article::into_activity: source error");
         article.object_props.set_published_utctime(Utc.from_utc_datetime(&self.creation_date)).expect("Article::into_activity: published error");
         article.object_props.set_summary_string(self.subtitle.clone()).expect("Article::into_activity: summary error");
         article.object_props.tag = Some(json!(mentions_json.append(&mut tags_json)));
@@ -308,7 +314,8 @@ impl FromActivity<Article, PgConnection> for Post {
                 // FIXME: This is wrong: with this logic, we may use the display URL as the AP ID. We need two different fields
                 ap_url: article.object_props.url_string().unwrap_or(article.object_props.id_string().expect("Post::from_activity: url + id error")),
                 creation_date: Some(article.object_props.published_utctime().expect("Post::from_activity: published error").naive_utc()),
-                subtitle: article.object_props.summary_string().expect("Post::from_activity: summary error")
+                subtitle: article.object_props.summary_string().expect("Post::from_activity: summary error"),
+                source: article.ap_object_props.source_object::<Source>().expect("Post::from_activity: source error").content
             });
 
             for author in authors.into_iter() {
diff --git a/plume-models/src/schema.rs b/plume-models/src/schema.rs
index 1a9cd293..7d51d678 100644
--- a/plume-models/src/schema.rs
+++ b/plume-models/src/schema.rs
@@ -126,6 +126,7 @@ table! {
         creation_date -> Timestamp,
         ap_url -> Varchar,
         subtitle -> Text,
+        source -> Text,
     }
 }
 
diff --git a/src/routes/posts.rs b/src/routes/posts.rs
index 3c9ca023..85eb86c5 100644
--- a/src/routes/posts.rs
+++ b/src/routes/posts.rs
@@ -155,7 +155,8 @@ fn create(blog_name: String, data: LenientForm<NewPostForm>, user: User, conn: D
                 },
                 ap_url: "".to_string(),
                 creation_date: None,
-                subtitle: form.subtitle.clone()
+                subtitle: form.subtitle.clone(),
+                source: form.content.clone(),
             });
             let post = post.update_ap_url(&*conn);
             PostAuthor::insert(&*conn, NewPostAuthor {