diff --git a/jam-ui/src/components/client/JKSessionBackingTrackPlayer.js b/jam-ui/src/components/client/JKSessionBackingTrackPlayer.js
index 5fa15c5d9..7af5fb5fb 100644
--- a/jam-ui/src/components/client/JKSessionBackingTrackPlayer.js
+++ b/jam-ui/src/components/client/JKSessionBackingTrackPlayer.js
@@ -267,8 +267,8 @@ const JKSessionBackingTrackPlayer = ({
                   <input
                     type="range"
                     min="0"
-                    max="100"
-                    value="0"
+                    max={durationMs || 100}
+                    value={currentPositionMs}
                     onChange={handleSeek}
                     style={{ flex: 1 }}
                     disabled={!backingTrack}
@@ -362,8 +362,8 @@ const JKSessionBackingTrackPlayer = ({
               <input
                 type="range"
                 min="0"
-                max="100"
-                value="0"
+                max={durationMs || 100}
+                value={currentPositionMs}
                 onChange={handleSeek}
                 style={{ flex: 1 }}
                 disabled={!backingTrack}