diff --git a/BizHawk.Emulation.Cores/Consoles/GCE/Vectrex/VectrexHawk.IEmulator.cs b/BizHawk.Emulation.Cores/Consoles/GCE/Vectrex/VectrexHawk.IEmulator.cs
index 056e0f91a4..ef2a359454 100644
--- a/BizHawk.Emulation.Cores/Consoles/GCE/Vectrex/VectrexHawk.IEmulator.cs
+++ b/BizHawk.Emulation.Cores/Consoles/GCE/Vectrex/VectrexHawk.IEmulator.cs
@@ -43,9 +43,9 @@ namespace BizHawk.Emulation.Cores.Consoles.Vectrex
 			if (ControllerDefinition.Name == "Vectrex Analog Controller")
 			{
 				// joystick position is based on pot reading
-				joy1_LR = (byte)(Math.Floor(controller.GetFloat("P1 Stick X")) + 128);
+				joy1_LR = (byte)(255 - (Math.Floor(controller.GetFloat("P1 Stick X")) + 128));
 				joy1_UD = (byte)(Math.Floor(controller.GetFloat("P1 Stick Y")) + 128);
-				joy2_LR = (byte)(Math.Floor(controller.GetFloat("P2 Stick X")) + 128);
+				joy2_LR = (byte)(255 - (Math.Floor(controller.GetFloat("P2 Stick X")) + 128));
 				joy2_UD = (byte)(Math.Floor(controller.GetFloat("P2 Stick Y")) + 128);
 			}
 			else
diff --git a/BizHawk.Emulation.Cores/Consoles/GCE/Vectrex/VectrexHawkControllers.cs b/BizHawk.Emulation.Cores/Consoles/GCE/Vectrex/VectrexHawkControllers.cs
index c7ccd88f0b..898a9ebfaf 100644
--- a/BizHawk.Emulation.Cores/Consoles/GCE/Vectrex/VectrexHawkControllers.cs
+++ b/BizHawk.Emulation.Cores/Consoles/GCE/Vectrex/VectrexHawkControllers.cs
@@ -84,7 +84,7 @@ namespace BizHawk.Emulation.Cores.Consoles.Vectrex
 				.Select(b => "P" + PortNum + " " + b)
 				.ToList(),
 				FloatControls = { "P" + PortNum + " Stick X", "P" + PortNum + " Stick Y" },
-				FloatRanges = { new[] { 127.0f, 0, -128.0f }, new[] { -128.0f, 0, 127.0f } }
+				FloatRanges = { new[] { -128.0f, 0, 127.0f }, new[] { -128.0f, 0, 127.0f } }
 			};
 		}