diff --git a/CISpy/EventHandler.cs b/CISpy/EventHandler.cs
index 2885877..5339028 100644
--- a/CISpy/EventHandler.cs
+++ b/CISpy/EventHandler.cs
@@ -46,7 +46,7 @@ public void OnRoundEnd(RoundEndEvent ev)
 
 		public void OnTeamRespawn(TeamRespawnEvent ev)
 		{
-			if (Plugin.isEnabled && !ev.SpawnChaos)
+			if (Plugin.isEnabled && !ev.SpawnChaos && Plugin.rand.Next(1, 101) <= Plugin.spawnChance)
 			{
 				Timing.Next(() =>
 				{
diff --git a/CISpy/GameLogic.cs b/CISpy/GameLogic.cs
index 7061463..9db9af9 100644
--- a/CISpy/GameLogic.cs
+++ b/CISpy/GameLogic.cs
@@ -15,6 +15,7 @@ public void LoadConfig()
 			Plugin.guardChance = Plugin.instance.GetConfigInt("cis_guard_chance");
 			Plugin.MTFRoles = Plugin.instance.GetConfigIntList("cis_spy_roles").Select(x => (Role)x).ToList();
 			Plugin.canSpawnWithGrenade = Plugin.instance.GetConfigBool("cis_spawn_with_grenade");
+			Plugin.spawnChance = Plugin.instance.GetConfigInt("cis_spawn_chance");
 		}
 
 		public static int CountRoles(Role role)
diff --git a/CISpy/Plugin.cs b/CISpy/Plugin.cs
index 98fc4e1..d2e0b5d 100644
--- a/CISpy/Plugin.cs
+++ b/CISpy/Plugin.cs
@@ -26,6 +26,7 @@ public class Plugin : Smod2.Plugin
 		public static bool isEnabled = false;
 		public static int guardChance = 50;
 		public static bool canSpawnWithGrenade = true;
+		public static int spawnChance = 40;
 		public static List<Role> MTFRoles = new List<Role>();
 
 		public static Dictionary<string, bool> SpyDict = new Dictionary<string, bool>();
@@ -54,6 +55,7 @@ public override void Register()
 				13
 			}, false, true, "Which roles can be a spy."));
 			AddConfig(new Smod2.Config.ConfigSetting("cis_spawn_with_grenade", true, false, true, "If spies should be able to spawn with frag grenades"));
+			AddConfig(new Smod2.Config.ConfigSetting("cis_spawn_chance", 40, false, true, "The chance for a CISpy to spawn in an MTF wave."));
 		}
 
 		public static int LevenshteinDistance(string s, string t)