diff --git a/Core/Repositories/ProgressScalePercentsByFileSize.cs b/Core/Repositories/ProgressScalePercentsByFileSize.cs
index bd6a1c9034..599b8165cc 100644
--- a/Core/Repositories/ProgressScalePercentsByFileSize.cs
+++ b/Core/Repositories/ProgressScalePercentsByFileSize.cs
@@ -35,7 +35,7 @@ public void Report(int currentFilePercent)
                 // Only report each percentage once, to avoid spamming UI calls
                 if (percent > lastPercent)
                 {
-                    percentProgress.Report(percent);
+                    percentProgress?.Report(percent);
                     lastPercent = percent;
                 }
             }
@@ -51,7 +51,7 @@ public void NextFile()
             ++currentIndex;
             if (basePercent > lastPercent)
             {
-                percentProgress.Report(basePercent);
+                percentProgress?.Report(basePercent);
                 lastPercent = basePercent;
             }
         }