diff --git a/src/Game.cs b/src/Game.cs
index 0b9ea9f2..b8d3b5e7 100644
--- a/src/Game.cs
+++ b/src/Game.cs
@@ -197,7 +197,7 @@ namespace MoonWorks
 						break;
 
 					case SDL.SDL_EventType.SDL_MOUSEWHEEL:
-						Inputs.Mouse.Wheel += _event.wheel.y;
+						Inputs.Mouse.WheelRaw += _event.wheel.y;
 						break;
 
 					case SDL.SDL_EventType.SDL_DROPBEGIN:
diff --git a/src/Input/Input.cs b/src/Input/Input.cs
index 44029240..a48c08ce 100644
--- a/src/Input/Input.cs
+++ b/src/Input/Input.cs
@@ -37,7 +37,6 @@ namespace MoonWorks.Input
 			AnyPressed = false;
 			AnyPressedButton = default; // DeviceKind.None
 
-			Mouse.Wheel = 0;
 			Keyboard.Update();
 
 			if (Keyboard.AnyPressed)
diff --git a/src/Input/Mouse.cs b/src/Input/Mouse.cs
index 3ee65bc9..932ca2a2 100644
--- a/src/Input/Mouse.cs
+++ b/src/Input/Mouse.cs
@@ -14,7 +14,10 @@ namespace MoonWorks.Input
 		public int DeltaX { get; private set; }
 		public int DeltaY { get; private set; }
 
-		public int Wheel { get; internal set; }
+		// note that this is a delta value
+		public int Wheel { get; private set; }
+		internal int WheelRaw;
+		private int previousWheelRaw = 0;
 
 		public bool AnyPressed { get; private set; }
 		public MouseButton AnyPressedButton { get; private set; }
@@ -74,6 +77,9 @@ namespace MoonWorks.Input
 			DeltaX = deltaX;
 			DeltaY = deltaY;
 
+			Wheel = WheelRaw - previousWheelRaw;
+			previousWheelRaw = WheelRaw;
+
 			LeftButton.Update();
 			MiddleButton.Update();
 			RightButton.Update();