diff --git a/osu.Game/Screens/Edit/Submission/BeatmapSubmissionScreen.cs b/osu.Game/Screens/Edit/Submission/BeatmapSubmissionScreen.cs
index 13981bcb69..2ea710d3ab 100644
--- a/osu.Game/Screens/Edit/Submission/BeatmapSubmissionScreen.cs
+++ b/osu.Game/Screens/Edit/Submission/BeatmapSubmissionScreen.cs
@@ -304,7 +304,7 @@ namespace osu.Game.Screens.Edit.Submission
                 Logger.Log($"Beatmap submission failed on upload: {ex}");
                 allowExit();
             };
-            patchRequest.Progressed += (current, total) => uploadStep.SetInProgress((float)current / total);
+            patchRequest.Progressed += (current, total) => uploadStep.SetInProgress(total > 0 ? (float)current / total : null);
 
             api.Queue(patchRequest);
             uploadStep.SetInProgress();