diff --git a/src/Unicorn/ControlPanel/WebConsoleUtility.cs b/src/Unicorn/ControlPanel/WebConsoleUtility.cs
index 787f7d9..e6ff442 100644
--- a/src/Unicorn/ControlPanel/WebConsoleUtility.cs
+++ b/src/Unicorn/ControlPanel/WebConsoleUtility.cs
@@ -18,7 +18,9 @@ public static void SetTaskProgress(IProgressStatus progress, int taskNumber, int
 			if (totalTasks < 1) throw new ArgumentException("totalTasks must be 1 or more");
 			if (taskNumber > totalTasks) throw new ArgumentException("taskNumber was greater than the number of totalTasks!");
 
-			int start = (int)Math.Round(((taskNumber - 1) / (double)totalTasks) * 100d);
+			var taskReducer = totalTasks <= 100 ? 1 : totalTasks/100;
+
+			int start = (int)Math.Round(((taskNumber - taskReducer) / (double)totalTasks) * 100d);
 			int end = start + (int)Math.Round(0.5d + ((1d / totalTasks) * 100d));
 
 			SetRangeTaskProgress(progress, Math.Max(start, 0), Math.Min(end, 100), taskPercent);