diff --git a/pkgs/development/libraries/qt-5/5.11/default.nix b/pkgs/development/libraries/qt-5/5.11/default.nix
index b50ff61219f..5407a79cd77 100644
--- a/pkgs/development/libraries/qt-5/5.11/default.nix
+++ b/pkgs/development/libraries/qt-5/5.11/default.nix
@@ -41,6 +41,8 @@ let
       ./qtbase.patch
       ./qtbase-darwin.patch
       ./qtbase-revert-no-macos10.10.patch
+    ] ++ optionals stdenv.isDarwin [
+      ./qtbase-darwin-nseventtype.patch
     ];
     qtdeclarative = [ ./qtdeclarative.patch ];
     qtscript = [ ./qtscript.patch ];
diff --git a/pkgs/development/libraries/qt-5/5.11/qtbase-darwin-nseventtype.patch b/pkgs/development/libraries/qt-5/5.11/qtbase-darwin-nseventtype.patch
new file mode 100644
index 00000000000..9ef6e8ef069
--- /dev/null
+++ b/pkgs/development/libraries/qt-5/5.11/qtbase-darwin-nseventtype.patch
@@ -0,0 +1,13 @@
+--- a/src/plugins/platforms/cocoa/qcocoawindow.mm
++++ b/src/plugins/platforms/cocoa/qcocoawindow.mm
+@@ -404,8 +404,8 @@ void QCocoaWindow::setVisible(bool visible)
+                         removeMonitor();
+                         monitor = [NSEvent addGlobalMonitorForEventsMatchingMask:NSLeftMouseDownMask|NSRightMouseDownMask|NSOtherMouseDownMask|NSMouseMovedMask handler:^(NSEvent *e) {
+                             QPointF localPoint = QCocoaScreen::mapFromNative([NSEvent mouseLocation]);
+-                            const auto button = e.type == NSEventTypeMouseMoved ? Qt::NoButton : cocoaButton2QtButton([e buttonNumber]);
+-                            const auto eventType = e.type == NSEventTypeMouseMoved ? QEvent::MouseMove : QEvent::MouseButtonPress;
++                            const auto button = e.type == NSMouseMoved ? Qt::NoButton : cocoaButton2QtButton([e buttonNumber]);
++                            const auto eventType = e.type == NSMouseMoved ? QEvent::MouseMove : QEvent::MouseButtonPress;
+                             QWindowSystemInterface::handleMouseEvent(window(), window()->mapFromGlobal(localPoint.toPoint()), localPoint,
+                                                                      Qt::MouseButtons(uint(NSEvent.pressedMouseButtons & 0xFFFF)), button, eventType);
+                         }];