diff --git a/Source/OpenTK/Platform/MappedGamePadDriver.cs b/Source/OpenTK/Platform/MappedGamePadDriver.cs
index 5d55b779..7c94d697 100644
--- a/Source/OpenTK/Platform/MappedGamePadDriver.cs
+++ b/Source/OpenTK/Platform/MappedGamePadDriver.cs
@@ -108,7 +108,12 @@ namespace OpenTK.Platform
                                         // Todo: if SDL2 GameController config is ever updated to
                                         // distinguish between negative/positive axes, then update
                                         // the following line to support both.
-                                        pad.SetAxis(map.Target.Axis, pressed ? short.MaxValue : (short)0);
+                                        short value = pressed ?
+                                            short.MaxValue :
+                                            map.Target.Axis == GamePadAxes.LeftTrigger || map.Target.Axis == GamePadAxes.RightTrigger ?
+                                                short.MinValue :
+                                                (short)0;
+                                        pad.SetAxis(map.Target.Axis, value);
                                         break;
 
                                     case ConfigurationType.Button:
@@ -150,7 +155,12 @@ namespace OpenTK.Platform
                                         // Todo: if SDL2 GameController config is ever updated to
                                         // distinguish between negative/positive axes, then update
                                         // the following line to support both.
-                                        pad.SetAxis(map.Target.Axis, pressed ? short.MaxValue : (short)0);
+                                        short value = pressed ?
+                                            short.MaxValue :
+                                            map.Target.Axis == GamePadAxes.LeftTrigger || map.Target.Axis == GamePadAxes.RightTrigger ?
+                                                short.MinValue :
+                                                (short)0;
+                                        pad.SetAxis(map.Target.Axis, value);
                                         break;
 
                                     case ConfigurationType.Button: