diff --git a/src/Libraries/RevitServices/Persistence/ElementIDLifecycleManager.cs b/src/Libraries/RevitServices/Persistence/ElementIDLifecycleManager.cs
index 8da651b0f..74113d21d 100644
--- a/src/Libraries/RevitServices/Persistence/ElementIDLifecycleManager.cs
+++ b/src/Libraries/RevitServices/Persistence/ElementIDLifecycleManager.cs
@@ -65,20 +65,21 @@ public void RegisterAsssociation(T elementID, Object wrapper)
         {
 
             List<Object> existingWrappers;
-            if (wrappers.TryGetValue(elementID, out existingWrappers))
+            if (!wrappers.TryGetValue(elementID, out existingWrappers))
+            {
+                existingWrappers = new List<object>();
+                wrappers.Add(elementID, existingWrappers);
+            }
+#if DEBUG
+            else
             {
                 //ID already existed, check we're not over adding
-                Validity.Assert(!existingWrappers.Contains(wrapper), 
+                Validity.Assert(!existingWrappers.Contains(wrapper),
                     "Lifecycle manager alert: registering the same Revit Element Wrapper twice"
                     + " {6528305F}");
                 //return;
             }
-            else
-            {
-                existingWrappers = new List<object>();
-                wrappers.Add(elementID, existingWrappers);
-            }
-
+#endif
             existingWrappers.Add(wrapper);
             if (!revitDeleted.ContainsKey(elementID))
             {