diff --git a/pkgs/development/libraries/qt-6/modules/qtbase/default.nix b/pkgs/development/libraries/qt-6/modules/qtbase/default.nix
index 7a44a498fe99..a340abb9ed00 100644
--- a/pkgs/development/libraries/qt-6/modules/qtbase/default.nix
+++ b/pkgs/development/libraries/qt-6/modules/qtbase/default.nix
@@ -251,6 +251,11 @@ stdenv.mkDerivation {
       url = "https://github.com/qt/qtbase/commit/1466f88633b2c29a6159a0c2eacd0c0d6601aa5e.diff";
       hash = "sha256-ubDAXF47SYagRAJ5SYyBxXl2PiHjAZo3xlYPDz1jRYM=";
     })
+    # another crash fix
+    (fetchpatch {
+      url = "https://github.com/qt/qtbase/commit/515cbbacfba9f4259c9c3b0714a31222c2b4c879.diff";
+      hash = "sha256-93tzp4O7dZxRZv7ilN/gbQSVmaeOGmxpYgM7aomN0n8=";
+    })
   ];
 
   postPatch = lib.optionalString stdenv.hostPlatform.isDarwin ''