From 61ea2b4a383e487cdfded3d32d3c7b8df09c343e Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Thu, 14 May 2026 15:27:26 +0530
Subject: [PATCH] ...

---
 glfw/cocoa_window.m | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/glfw/cocoa_window.m b/glfw/cocoa_window.m
index 594e8d061..e58458483 100644
--- a/glfw/cocoa_window.m
+++ b/glfw/cocoa_window.m
@@ -4659,7 +4659,7 @@ _glfwPlatformStartDrag(_GLFWwindow* window, const GLFWimage* thumbnail) {@autore
     NSString* extension = @"data";
     if (mimeType) {
         UTType *type = [UTType typeWithMIMEType:@(mimeType)];
-        extension = type.preferredFilenameExtension;
+        if (type) extension = type.preferredFilenameExtension;
     }
     return [NSString stringWithFormat:@"kitty-drag-source-%@.%@", [[NSUUID UUID] UUIDString], extension];
 }