diff --git a/Source/Editor/Modules/ContentDatabaseModule.cs b/Source/Editor/Modules/ContentDatabaseModule.cs
index 6d2821a28..aab5d1b39 100644
--- a/Source/Editor/Modules/ContentDatabaseModule.cs
+++ b/Source/Editor/Modules/ContentDatabaseModule.cs
@@ -735,6 +735,9 @@ namespace FlaxEditor.Modules
         /// <param name="rebuild">Should rebuild entire database after addition.</param>
         public void AddProxy(ContentProxy proxy, bool rebuild = false)
         {
+            var oldProxy = Proxy.Find(x => x.GetType().ToString().Equals(proxy.GetType().ToString(), StringComparison.Ordinal));
+            if (oldProxy != null)
+                RemoveProxy(oldProxy);
             Proxy.Insert(0, proxy);
             if (rebuild)
                 Rebuild(true);