diff --git a/include/IEventReceiver.h b/include/IEventReceiver.h
index e9f7c32a..3c07f0c6 100644
--- a/include/IEventReceiver.h
+++ b/include/IEventReceiver.h
@@ -115,6 +115,7 @@ namespace irr
 		//! The mouse wheel was moved. Use Wheel value in event data to find out
 		//! in what direction and how fast.
 		EMIE_MOUSE_WHEEL,
+		EMIE_MOUSE_WHEEL_X, // only for OSX!
 
 		//! Left mouse button double click.
 		//! This event is generated after the second EMIE_LMOUSE_PRESSED_DOWN event.
diff --git a/source/Irrlicht/CIrrDeviceOSX.mm b/source/Irrlicht/CIrrDeviceOSX.mm
index c0d1b4c9..258e9676 100644
--- a/source/Irrlicht/CIrrDeviceOSX.mm
+++ b/source/Irrlicht/CIrrDeviceOSX.mm
@@ -1051,13 +1051,21 @@ bool CIrrDeviceMacOSX::run()
 
 			case NSScrollWheel:
 				ievent.EventType = irr::EET_MOUSE_INPUT_EVENT;
-				ievent.MouseInput.Event = irr::EMIE_MOUSE_WHEEL;
-				ievent.MouseInput.Wheel = [(NSEvent *)event deltaY];
-				if (ievent.MouseInput.Wheel < 1.0f)
-					ievent.MouseInput.Wheel *= 10.0f;
-				else
-					ievent.MouseInput.Wheel *= 5.0f;
-				postMouseEvent(event,ievent);
+				// MultiCraft specific thing to smoothly change HUD items,
+				// using the side scrolling on the touchpad
+				if ([event deltaX] != 0) {
+					ievent.MouseInput.Event = irr::EMIE_MOUSE_WHEEL_X;
+					ievent.MouseInput.Wheel = (s32) [event deltaX];
+					postMouseEvent(event,ievent);
+					break;
+				}
+                ievent.MouseInput.Event = irr::EMIE_MOUSE_WHEEL;
+                ievent.MouseInput.Wheel = (s32) [event deltaY];
+                if (ievent.MouseInput.Wheel < 1.0f)
+                    ievent.MouseInput.Wheel *= 10.0f;
+                else
+                    ievent.MouseInput.Wheel *= 5.0f;
+                postMouseEvent(event,ievent);
 				break;
 
 			default: