diff --git a/Assets/Cryville/Crtr/Browsing/Actions/ActionManager.cs b/Assets/Cryville/Crtr/Browsing/Actions/ActionManager.cs
index 19e5912..d3f58cf 100644
--- a/Assets/Cryville/Crtr/Browsing/Actions/ActionManager.cs
+++ b/Assets/Cryville/Crtr/Browsing/Actions/ActionManager.cs
@@ -5,6 +5,7 @@ using System.Linq;
 namespace Cryville.Crtr.Browsing.Actions {
 	public class ActionManager {
 		readonly Dictionary<Type, List<IResourceAction>> _actions = new Dictionary<Type, List<IResourceAction>>();
+		readonly Dictionary<IResourceAction, int> _refCounts = new Dictionary<IResourceAction, int>();
 
 		public event Action Changed;
 
@@ -23,6 +24,8 @@ namespace Cryville.Crtr.Browsing.Actions {
 			int index = actions.BinarySearch(action, ActionPriorityComparer.Instance);
 			if (index < 0) index = ~index;
 			actions.Insert(index, action);
+			if (_refCounts.ContainsKey(action)) _refCounts[action]++;
+			else _refCounts[action] = 0;
 			Changed?.Invoke();
 		}
 		public void Register(IResourceAction action) {
@@ -35,6 +38,7 @@ namespace Cryville.Crtr.Browsing.Actions {
 		public void Unregister(Type type, IResourceAction action) {
 			List<IResourceAction> actions;
 			if (!_actions.TryGetValue(type, out actions)) return;
+			if (--_refCounts[action] > 0) return;
 			actions.Remove(action);
 			Changed?.Invoke();
 		}