diff --git a/Assets/com.fluid.dialogue/Editor/Windows/FindReplaceWindow/FindReplaceWindow.cs b/Assets/com.fluid.dialogue/Editor/Windows/FindReplaceWindow/FindReplaceWindow.cs
index eb9e38e..53fd7a7 100644
--- a/Assets/com.fluid.dialogue/Editor/Windows/FindReplaceWindow/FindReplaceWindow.cs
+++ b/Assets/com.fluid.dialogue/Editor/Windows/FindReplaceWindow/FindReplaceWindow.cs
@@ -18,6 +18,7 @@ protected override IFindResult[] GetFindResults (Func<string, bool> IsValid) {
             foreach (var graphID in graphIDs) {
                 var path = AssetDatabase.GUIDToAssetPath(graphID);
                 var graph = AssetDatabase.LoadAssetAtPath<DialogueGraph>(path);
+                if (graph == null) continue;
 
                 foreach (var node in graph.Nodes) {
                     if (IsValid(node.Text ?? "")) {