diff --git a/pkgs/development/libraries/qt-6/modules/qtwebengine/default.nix b/pkgs/development/libraries/qt-6/modules/qtwebengine/default.nix
index df88eb6d473e..9f2271ceace4 100644
--- a/pkgs/development/libraries/qt-6/modules/qtwebengine/default.nix
+++ b/pkgs/development/libraries/qt-6/modules/qtwebengine/default.nix
@@ -111,6 +111,12 @@ qtModule {
 
     # Reproducibility QTBUG-136068
     ./gn-object-sorted.patch
+
+    # Backport crash fix
+    (fetchpatch2 {
+      url = "https://invent.kde.org/qt/qt/qtwebengine/-/commit/ecf90f65ef738ae20b114691d02fb15c82e6babe.diff";
+      hash = "sha256-TW+EmCxasH5LdZ80y/0YHird3NsrVdlwciDJpgSD9x0=";
+    })
   ]
   ++ lib.optionals stdenv.cc.isClang [
     # https://chromium-review.googlesource.com/c/chromium/src/+/6633292