diff --git a/browser_patches/webkit/BUILD_NUMBER b/browser_patches/webkit/BUILD_NUMBER
index f954c7ae0f..f70eccf23b 100644
--- a/browser_patches/webkit/BUILD_NUMBER
+++ b/browser_patches/webkit/BUILD_NUMBER
@@ -1 +1 @@
-1229
+1230
diff --git a/browser_patches/webkit/src/Tools/Playwright/win/MainWindow.cpp b/browser_patches/webkit/src/Tools/Playwright/win/MainWindow.cpp
index a8dc408782..2c9c9507ae 100644
--- a/browser_patches/webkit/src/Tools/Playwright/win/MainWindow.cpp
+++ b/browser_patches/webkit/src/Tools/Playwright/win/MainWindow.cpp
@@ -325,7 +325,7 @@ LRESULT CALLBACK MainWindow::WndProc(HWND hWnd, UINT message, WPARAM wParam, LPA
         }
         }
         break;
-    case WM_DESTROY:
+    case WM_NCDESTROY:
         SetWindowLongPtr(hWnd, GWLP_USERDATA, 0);
         delete thisWindow;
         if (s_noStartupWindow || s_numInstances > 0)