diff --git a/kivy/data/style.kv b/kivy/data/style.kv
index 9eb38067c..b69d66c6c 100644
--- a/kivy/data/style.kv
+++ b/kivy/data/style.kv
@@ -738,7 +738,7 @@
 
         VideoPlayerProgressBar:
             video: root
-            max: root.duration or 1
+            max: max(root.duration, root.position, 1)
             value: root.position
 
         Widget: