diff --git a/editor/docks/filesystem_dock.cpp b/editor/docks/filesystem_dock.cpp
index 7ccf539689..78aee12209 100644
--- a/editor/docks/filesystem_dock.cpp
+++ b/editor/docks/filesystem_dock.cpp
@@ -2608,7 +2608,7 @@ void FileSystemDock::_file_option(int p_option, const Vector<String> &p_selected
 		} break;
 
 		case FILE_MENU_DUPLICATE: {
-			if (p_selected.size() != 1) {
+			if (p_selected.size() != 1 || p_selected[0] == "res://") {
 				return;
 			}