diff --git a/Fly App/lib/flight_model.dart b/Fly App/lib/flight_model.dart
index 7509713..6f6f2cd 100644
--- a/Fly App/lib/flight_model.dart	
+++ b/Fly App/lib/flight_model.dart	
@@ -36,9 +36,13 @@ class MediaItem {
   /// On-disk path of the fully downloaded original, once available.
   String? localPath;
 
+  /// `null` for anything that shouldn't carry a duration. The SDK reports
+  /// `durationInSeconds` for *every* file, so stills come back with junk —
+  /// a Mavic Pro's photos yielded -36:35, -136:23 and 545:26 on the SD card.
   String? get durationLabel {
-    if (durationSeconds == null) return null;
-    final int s = durationSeconds!;
+    if (!isVideo) return null;
+    final int? s = durationSeconds;
+    if (s == null || s <= 0) return null;
     final String mm = (s ~/ 60).toString();
     final String ss = (s % 60).toString().padLeft(2, '0');
     return '$mm:$ss';