diff --git a/Glamourer.GameData/GameData.cs b/Glamourer.GameData/GameData.cs
index 4a40e05..d5638b0 100644
--- a/Glamourer.GameData/GameData.cs
+++ b/Glamourer.GameData/GameData.cs
@@ -19,7 +19,7 @@ public static class GameData
             return _jobs;
 
         var sheet = dataManager.GetExcelSheet<ClassJob>()!;
-        _jobs = sheet.ToDictionary(j => (byte)j.RowId, j => new Job(j));
+        _jobs = sheet.Where(j => j.Abbreviation.RawData.Length > 0).ToDictionary(j => (byte)j.RowId, j => new Job(j));
         return _jobs;
     }
 
diff --git a/Glamourer.GameData/Structs/Job.cs b/Glamourer.GameData/Structs/Job.cs
index 700d3d3..1d2873d 100644
--- a/Glamourer.GameData/Structs/Job.cs
+++ b/Glamourer.GameData/Structs/Job.cs
@@ -15,7 +15,7 @@ public readonly struct Job
         => Base.RowId;
 
     public JobFlag Flag
-        => (JobFlag)(1u << (int)Base.RowId);
+        => (JobFlag)(1ul << (int)Base.RowId);
 
     public Job(ClassJob job)
     {