diff --git a/src/server/context.rs b/src/server/context.rs
index f300d62..e0ec0c4 100644
--- a/src/server/context.rs
+++ b/src/server/context.rs
@@ -117,6 +117,18 @@ impl Context {
 		}
 	}
 
+	/// get bare id, usually an uuid but unspecified
+	pub fn id(&self, uri: &str) -> String {
+		if uri.starts_with(&self.0.domain) {
+			uri.split('/').last().unwrap_or("").to_string()
+		} else {
+			uri
+				.replace("https://", "+")
+				.replace("http://", "+")
+				.replace('/', "@")
+		}
+	}
+
 	/// get full user id uri
 	pub fn uid(&self, id: String) -> String {
 		self.uri("users", id)
@@ -132,17 +144,6 @@ impl Context {
 		self.uri("activities", id)
 	}
 
-	/// get bare id, usually an uuid but unspecified
-	pub fn id(&self, uri: &str) -> String {
-		if uri.starts_with(&self.0.domain) {
-			uri.split('/').last().unwrap_or("").to_string()
-		} else {
-			uri
-				.replace("https://", "+")
-				.replace("http://", "+")
-				.replace('/', "@")
-		}
-	}
 
 	pub fn server(id: &str) -> String {
 		id
diff --git a/src/server/inbox.rs b/src/server/inbox.rs
index 81b1315..1017126 100644
--- a/src/server/inbox.rs
+++ b/src/server/inbox.rs
@@ -319,7 +319,7 @@ impl apb::server::Inbox for Context {
 		// TODO in theory we could work with just object_id but right now only accept embedded
 		let undone_activity = activity.object().extract().ok_or_else(UpubError::bad_request)?;
 		let undone_aid = undone_activity.id().ok_or_else(UpubError::bad_request)?;
-		let undone_object_id = undone_activity.object().id().ok_or_else(UpubError::bad_request)?;
+		let undone_object_uri = undone_activity.object().id().ok_or_else(UpubError::bad_request)?;
 		let activity_type = undone_activity.activity_type().ok_or_else(UpubError::bad_request)?;
 		let undone_activity_author = undone_activity.actor().id().ok_or_else(UpubError::bad_request)?;