diff --git a/pk3DS.Core/Randomizers/LearnsetRandomizer.cs b/pk3DS.Core/Randomizers/LearnsetRandomizer.cs
index 7e59ae1..eda660c 100644
--- a/pk3DS.Core/Randomizers/LearnsetRandomizer.cs
+++ b/pk3DS.Core/Randomizers/LearnsetRandomizer.cs
@@ -57,6 +57,8 @@ private void Randomize(Learnset set, int index)
         private int[] GetRandomLevels(Learnset set, int count)
         {
             int[] levels = new int[count];
+            if (count == 0)
+                return levels;
             if (Spread)
             {
                 levels[0] = 1;