1 files changed, 11 insertions, 5 deletions
diff --git a/pkgs/development/libraries/qt-5/5.12/default.nix b/pkgs/development/libraries/qt-5/5.12/default.nix
index e89c0a8b403..fcceb6d6cf2 100644
--- a/pkgs/development/libraries/qt-5/5.12/default.nix
+++ b/pkgs/development/libraries/qt-5/5.12/default.nix
@@ -101,11 +101,17 @@ let
       ./qtwebengine-darwin-no-platform-check.patch
       ./qtwebengine-darwin-fix-failed-static-assertion.patch
     ];
-    qtwebkit = [ ./qtwebkit.patch ]
-      ++ optionals stdenv.isDarwin [
-        ./qtwebkit-darwin-no-readline.patch
-        ./qtwebkit-darwin-no-qos-classes.patch
-      ];
+    qtwebkit = [
+      (fetchpatch {
+        name = "qtwebkit-bison-3.7-build.patch";
+        url = "https://github.com/qtwebkit/qtwebkit/commit/d92b11fea65364fefa700249bd3340e0cd4c5b31.patch";
+        sha256 = "0h8ymfnwgkjkwaankr3iifiscsvngqpwb91yygndx344qdiw9y0n";
+      })
+      ./qtwebkit.patch
+    ] ++ optionals stdenv.isDarwin [
+      ./qtwebkit-darwin-no-readline.patch
+      ./qtwebkit-darwin-no-qos-classes.patch
+    ];
     qttools = [ ./qttools.patch ];
   };