From 4b36f1e9c4986126d10b5adda9c0664a585274d4 Mon Sep 17 00:00:00 2001
From: Brian Birtles <birtles@gmail.com>
Date: Thu, 6 Jul 2017 06:38:57 +0900
Subject: [PATCH] Use the value of the progress through the keyframe interval
 when falling back to 50% flip behavior

---
 ports/geckolib/glue.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ports/geckolib/glue.rs b/ports/geckolib/glue.rs
index 2b023147b02d..56b99babed7f 100644
--- a/ports/geckolib/glue.rs
+++ b/ports/geckolib/glue.rs
@@ -545,7 +545,7 @@ pub extern "C" fn Servo_AnimationCompose(raw_value_map: RawServoAnimationValueMa
     };
     if let Ok(value) = from_value.interpolate(to_value, position) {
         value_map.insert(property, value);
-    } else if progress < 0.5 {
+    } else if position < 0.5 {
         value_map.insert(property, from_value.clone());
     } else {
         value_map.insert(property, to_value.clone());