diff --git a/Source/CombatExtended/CombatExtended/Things/Building_TurretGunCE.cs b/Source/CombatExtended/CombatExtended/Things/Building_TurretGunCE.cs
index 5f343ed786..b6cf134f0d 100644
--- a/Source/CombatExtended/CombatExtended/Things/Building_TurretGunCE.cs
+++ b/Source/CombatExtended/CombatExtended/Things/Building_TurretGunCE.cs
@@ -419,6 +419,10 @@ public virtual void TryStartShootSomething(bool canBeginBurstImmediately)    //
 
         public virtual LocalTargetInfo TryFindNewTarget()    // Core method
         {
+            if (!AttackVerb.Available())
+            {
+                return null;
+            }
             IAttackTargetSearcher attackTargetSearcher = this.TargSearcher();
             Faction faction = attackTargetSearcher.Thing.Faction;
             float range = this.AttackVerb.verbProps.range;
diff --git a/Source/CombatExtended/CombatExtended/Verbs/VerbPropertiesCE.cs b/Source/CombatExtended/CombatExtended/Verbs/VerbPropertiesCE.cs
index 21312e035f..b374c7cb0c 100644
--- a/Source/CombatExtended/CombatExtended/Verbs/VerbPropertiesCE.cs
+++ b/Source/CombatExtended/CombatExtended/Verbs/VerbPropertiesCE.cs
@@ -18,5 +18,6 @@ public class VerbPropertiesCE : VerbProperties
         public bool ejectsCasings = true;
         public bool ignorePartialLoSBlocker = false;
         public bool interruptibleBurst = true;
+        public List<ThingDef> cantShotWith = new List<ThingDef>();
     }
 }
diff --git a/Source/CombatExtended/CombatExtended/Verbs/Verb_LaunchProjectileCE.cs b/Source/CombatExtended/CombatExtended/Verbs/Verb_LaunchProjectileCE.cs
index c1102daf44..1094562581 100644
--- a/Source/CombatExtended/CombatExtended/Verbs/Verb_LaunchProjectileCE.cs
+++ b/Source/CombatExtended/CombatExtended/Verbs/Verb_LaunchProjectileCE.cs
@@ -268,7 +268,7 @@ public override bool Available()
                 }
             }
 
-            return Projectile != null;
+            return Projectile != null && !VerbPropsCE.cantShotWith.Contains(Projectile);
         }
 
         /// <summary>