diff --git a/src/Tgstation.Server.Host/Models/DatabaseContext.cs b/src/Tgstation.Server.Host/Models/DatabaseContext.cs
index 51998ddc2c..4fb568d700 100644
--- a/src/Tgstation.Server.Host/Models/DatabaseContext.cs
+++ b/src/Tgstation.Server.Host/Models/DatabaseContext.cs
@@ -130,6 +130,7 @@ namespace Tgstation.Server.Host.Models
 			instanceModel.HasMany(x => x.RevisionInformations).WithOne(x => x.Instance).OnDelete(DeleteBehavior.Cascade);
 			instanceModel.HasMany(x => x.InstanceUsers).WithOne(x => x.Instance).OnDelete(DeleteBehavior.Cascade);
 			instanceModel.HasMany(x => x.Jobs).WithOne(x => x.Instance).OnDelete(DeleteBehavior.Cascade);
+			instanceModel.HasOne(x => x.WatchdogReattachInformation).WithOne().OnDelete(DeleteBehavior.Cascade);
 		}
 
 		/// <inheritdoc />
diff --git a/src/Tgstation.Server.Host/Models/WatchdogReattachInformation.cs b/src/Tgstation.Server.Host/Models/WatchdogReattachInformation.cs
index db27049745..204baed3b3 100644
--- a/src/Tgstation.Server.Host/Models/WatchdogReattachInformation.cs
+++ b/src/Tgstation.Server.Host/Models/WatchdogReattachInformation.cs
@@ -1,8 +1,4 @@
-using System;
-using System.Collections.Generic;
-using System.Text;
-
-namespace Tgstation.Server.Host.Models
+namespace Tgstation.Server.Host.Models
 {
 	/// <summary>
 	/// Database representation of <see cref="Components.Watchdog.WatchdogReattachInformation"/>
@@ -14,6 +10,11 @@ namespace Tgstation.Server.Host.Models
 		/// </summary>
 		public long Id { get; set; }
 
+		/// <summary>
+		/// The <see cref="Api.Models.Instance.Id"/> of the <see cref="Instance"/> the <see cref="WatchdogReattachInformation"/> belongs to
+		/// </summary>
+		public long InstanceId { get; set; }
+
 		/// <summary>
 		/// The <see cref="ReattachInformation"/> for the Alpha server
 		/// </summary>