diff --git a/pkgs/development/libraries/qt-5/5.12/qtwebengine-darwin-no-platform-check.patch b/pkgs/development/libraries/qt-5/5.12/qtwebengine-darwin-no-platform-check.patch
index 364330169bf1..546e753144d0 100644
--- a/pkgs/development/libraries/qt-5/5.12/qtwebengine-darwin-no-platform-check.patch
+++ b/pkgs/development/libraries/qt-5/5.12/qtwebengine-darwin-no-platform-check.patch
@@ -19,3 +19,15 @@ diff --git a/mkspecs/features/platform.prf b/mkspecs/features/platform.prf
      }
    } else {
      skipBuild("Unknown platform. Qt WebEngine only supports Linux, Windows, and macOS.")
+diff --git a/src/core/config/mac_osx.pri b/src/core/config/mac_osx.pri
+--- a/src/core/config/mac_osx.pri
++++ b/src/core/config/mac_osx.pri
+@@ -5,8 +5,6 @@ load(functions)
+ # otherwise query for it.
+ QMAKE_MAC_SDK_VERSION = $$eval(QMAKE_MAC_SDK.$${QMAKE_MAC_SDK}.SDKVersion)
+ isEmpty(QMAKE_MAC_SDK_VERSION) {
+-     QMAKE_MAC_SDK_VERSION = $$system("/usr/bin/xcodebuild -sdk $${QMAKE_MAC_SDK} -version SDKVersion 2>/dev/null")
+-     isEmpty(QMAKE_MAC_SDK_VERSION): error("Could not resolve SDK version for \'$${QMAKE_MAC_SDK}\'")
+ }
+
+ QMAKE_CLANG_DIR = "/usr"