diff --git a/Iceshrimp.Backend/Core/Federation/ActivityStreams/LDHelpers.cs b/Iceshrimp.Backend/Core/Federation/ActivityStreams/LDHelpers.cs
index 5e06c7fa..33753633 100644
--- a/Iceshrimp.Backend/Core/Federation/ActivityStreams/LDHelpers.cs
+++ b/Iceshrimp.Backend/Core/Federation/ActivityStreams/LDHelpers.cs
@@ -103,10 +103,10 @@ public static class LdHelpers
 
 		return payload;
 	}
-	
-	public static async Task<string> CompactAsync(this ASActivity activity)
+
+	public static string Compact(this ASActivity activity)
 	{
-		var compacted = Compact(activity) ?? throw new Exception("Failed to compact signed activity");
+		var compacted = Compact((object)activity) ?? throw new Exception("Failed to compact signed activity");
 		var payload   = JsonConvert.SerializeObject(compacted, JsonSerializerSettings);
 
 		return payload;
diff --git a/Iceshrimp.Backend/Core/Queues/PreDeliverQueue.cs b/Iceshrimp.Backend/Core/Queues/PreDeliverQueue.cs
index d736c073..d1d3ed41 100644
--- a/Iceshrimp.Backend/Core/Queues/PreDeliverQueue.cs
+++ b/Iceshrimp.Backend/Core/Queues/PreDeliverQueue.cs
@@ -75,7 +75,7 @@ public class PreDeliverQueue
 		}
 		else
 		{
-			payload = await activity.CompactAsync();
+			payload = activity.Compact();
 		}
 
 		foreach (var inboxQueryResult in inboxQueryResults)