diff --git a/packages/backend/src/server/api/mastodon/endpoints/timeline.ts b/packages/backend/src/server/api/mastodon/endpoints/timeline.ts
index 4b49d8acc5..d54594327a 100644
--- a/packages/backend/src/server/api/mastodon/endpoints/timeline.ts
+++ b/packages/backend/src/server/api/mastodon/endpoints/timeline.ts
@@ -18,6 +18,10 @@ export function argsToBools(q: ParsedUrlQuery) {
 	const toBoolean = (value: string) =>
 		!["0", "f", "F", "false", "FALSE", "off", "OFF"].includes(value);
 
+	// Keys taken from:
+	// - https://docs.joinmastodon.org/methods/accounts/#statuses
+	// - https://docs.joinmastodon.org/methods/timelines/#public
+	// - https://docs.joinmastodon.org/methods/timelines/#tag
 	let object: any = q;
 	if (q.only_media)
 		if (typeof q.only_media === "string")
@@ -25,6 +29,13 @@ export function argsToBools(q: ParsedUrlQuery) {
 	if (q.exclude_replies)
 		if (typeof q.exclude_replies === "string")
 			object.exclude_replies = toBoolean(q.exclude_replies);
+	if (q.exclude_reblogs)
+		if (typeof q.exclude_reblogs === "string")
+			object.exclude_reblogs = toBoolean(q.exclude_reblogs);
+	if (q.pinned)
+		if (typeof q.pinned === "string") object.pinned = toBoolean(q.pinned);
+	if (q.local)
+		if (typeof q.local === "string") object.local = toBoolean(q.local);
 	return q;
 }