diff --git a/ProjectLighthouse/Controllers/PublishController.cs b/ProjectLighthouse/Controllers/PublishController.cs
index 0f6499dd..98f490e2 100644
--- a/ProjectLighthouse/Controllers/PublishController.cs
+++ b/ProjectLighthouse/Controllers/PublishController.cs
@@ -117,6 +117,12 @@ namespace LBPUnion.ProjectLighthouse.Controllers
 
                 slot.GameVersion = gameToken.GameVersion;
 
+                if (slot.MinimumPlayers == 0 || slot.MaximumPlayers == 0)
+                {
+                    slot.MinimumPlayers = 1;
+                    slot.MaximumPlayers = 4;
+                }
+
                 this.database.Entry(oldSlot).CurrentValues.SetValues(slot);
                 await this.database.SaveChangesAsync();
                 return this.Ok(oldSlot.Serialize());
diff --git a/ProjectLighthouse/Maintenance/MaintenanceJobs/FixAllBrokenPlayerRequirementsMaintenanceJob.cs b/ProjectLighthouse/Maintenance/MaintenanceJobs/FixAllBrokenPlayerRequirementsMaintenanceJob.cs
new file mode 100644
index 00000000..4fae2b5e
--- /dev/null
+++ b/ProjectLighthouse/Maintenance/MaintenanceJobs/FixAllBrokenPlayerRequirementsMaintenanceJob.cs
@@ -0,0 +1,33 @@
+using System;
+using System.Threading.Tasks;
+using LBPUnion.ProjectLighthouse.Types.Levels;
+
+namespace LBPUnion.ProjectLighthouse.Maintenance.MaintenanceJobs
+{
+    public class FixAllBrokenPlayerRequirementsMaintenanceJob : IMaintenanceJob
+    {
+        private readonly Database database = new();
+
+        public string Name() => "Fix All Broken Player Requirements";
+        public string Description() => "Some LBP1 levels may report that they are designed for 0 players. This job will fix that.";
+        public async Task Run()
+        {
+            int count = 0;
+            await foreach (Slot slot in this.database.Slots)
+            {
+                if (slot.MinimumPlayers == 0 || slot.MaximumPlayers == 0)
+                {
+                    slot.MinimumPlayers = 1;
+                    slot.MaximumPlayers = 4;
+
+                    Console.WriteLine($"Fixed slotId {slot.SlotId}");
+                    count++;
+                }
+            }
+
+            await this.database.SaveChangesAsync();
+
+            Console.WriteLine($"Fixed {count} broken player requirements.");
+        }
+    }
+}
\ No newline at end of file