diff --git a/TShockAPI/TSPlayer.cs b/TShockAPI/TSPlayer.cs
index b4dbdd28e..b2af3fc3b 100644
--- a/TShockAPI/TSPlayer.cs
+++ b/TShockAPI/TSPlayer.cs
@@ -273,6 +273,11 @@ public Group Group
 		/// </summary>
 		public DateTime LastPvPTeamChange;
 
+		/// <summary>
+		/// The last time stack-hack detection was run for this player.
+		/// </summary>
+		public DateTime LastStackDetectionCheck;
+
 		/// <summary>
 		/// Temp points for use in regions and other plugins.
 		/// </summary>
@@ -1528,6 +1533,7 @@ public TSPlayer(int index)
 			Group = Group.DefaultGroup;
 			IceTiles = new List<Point>();
 			AwaitingResponse = new Dictionary<string, Action<object>>();
+			LastStackDetectionCheck = DateTime.UtcNow.AddSeconds(-(index % 5));
 		}
 
 		/// <summary>
@@ -1542,6 +1548,7 @@ protected TSPlayer(String playerName)
 			FakePlayer = new Player { name = playerName, whoAmI = -1 };
 			Group = Group.DefaultGroup;
 			AwaitingResponse = new Dictionary<string, Action<object>>();
+			LastStackDetectionCheck = DateTime.UtcNow;
 
 			if (playerName == "All" || playerName == "Server")
 				FinishedHandshake = true; //Hot fix for the all player object not getting packets like TimeSet, etc because they have no state and finished handshake will always be false.
diff --git a/TShockAPI/TShock.cs b/TShockAPI/TShock.cs
index 28cf03c1f..3d25229b8 100644
--- a/TShockAPI/TShock.cs
+++ b/TShockAPI/TShock.cs
@@ -1221,15 +1221,20 @@ private void OnSecondUpdate()
 
 					if (!Main.ServerSideCharacter || (Main.ServerSideCharacter && player.IsLoggedIn))
 					{
-						if (!player.HasPermission(Permissions.ignorestackhackdetection))
+						var stackCheckDue = (DateTime.UtcNow - player.LastStackDetectionCheck).TotalSeconds >= 5;
+						if (stackCheckDue)
 						{
-							player.IsDisabledForStackDetection = player.HasHackedItemStacks(shouldWarnPlayer: true);
+							player.LastStackDetectionCheck = DateTime.UtcNow;
+							if (!player.HasPermission(Permissions.ignorestackhackdetection))
+							{
+								player.IsDisabledForStackDetection = player.HasHackedItemStacks(shouldWarnPlayer: true);
+							}
 						}
+					}
 
-						if (player.IsBeingDisabled())
-						{
-							player.Disable(flags: flags);
-						}
+					if (player.IsBeingDisabled())
+					{
+						player.Disable(flags: flags);
 					}
 				}
 			}