diff --git a/OpenRA.FileFormats/Primitives/ActionQueue.cs b/OpenRA.FileFormats/Primitives/ActionQueue.cs
index 60f9d65cde..d7a5939a83 100644
--- a/OpenRA.FileFormats/Primitives/ActionQueue.cs
+++ b/OpenRA.FileFormats/Primitives/ActionQueue.cs
@@ -56,7 +56,7 @@ namespace OpenRA.FileFormats
 
 		public int CompareTo(DelayedAction other)
 		{
-			return Math.Sign(Time - other.Time);
+			return Time.CompareTo(other.Time);
 		}
 	}
 }