diff --git a/d2common/d2fileformats/d2cof/helpers.go b/d2common/d2fileformats/d2cof/helpers.go
index 293719cb..9e1b9c5d 100644
--- a/d2common/d2fileformats/d2cof/helpers.go
+++ b/d2common/d2fileformats/d2cof/helpers.go
@@ -21,7 +21,7 @@ func (c *COF) Duration() float64 {
 		milliseconds = 1000
 	)
 
-	frameDelay := milliseconds / c.SpeedToFPS()
+	frameDelay := milliseconds / c.FPS()
 
 	return float64(c.FramesPerDirection) * frameDelay
 }