diff --git a/pkgs/development/libraries/qt-5/5.14/default.nix b/pkgs/development/libraries/qt-5/5.14/default.nix
index 65ce74dac021..5a3bf205fbce 100644
--- a/pkgs/development/libraries/qt-5/5.14/default.nix
+++ b/pkgs/development/libraries/qt-5/5.14/default.nix
@@ -96,6 +96,12 @@ let
         stripLen = 1;
         extraPrefix = "src/3rdparty/";
       })
+
+      # glibc 2.34 compat
+      (fetchpatch {
+        url = "https://src.fedoraproject.org/rpms/qt5-qtwebengine/raw/4cef673b2dd01ce85ce7a841cf352104bbe79668/f/qtwebengine-everywhere-5.15.2-SIGSTKSZ.patch";
+        sha256 = "sha256-2D0/FL4PBL4p6ccd6JoDAGqNtLs2aeE1OdM+PJItock=";
+      })
     ] ++ lib.optional stdenv.isDarwin ./qtwebengine-darwin-no-platform-check.patch;
     qtwebkit = [
       (fetchpatch {