diff --git a/Assets/dll/mgba.dll b/Assets/dll/mgba.dll
index de333f7aeae..8d2b3f8d7e2 100644
Binary files a/Assets/dll/mgba.dll and b/Assets/dll/mgba.dll differ
diff --git a/src/BizHawk.Emulation.Cores/Consoles/Nintendo/GBA/LibmGBA.cs b/src/BizHawk.Emulation.Cores/Consoles/Nintendo/GBA/LibmGBA.cs
index 411f399ac66..8289cf11e50 100644
--- a/src/BizHawk.Emulation.Cores/Consoles/Nintendo/GBA/LibmGBA.cs
+++ b/src/BizHawk.Emulation.Cores/Consoles/Nintendo/GBA/LibmGBA.cs
@@ -199,7 +199,7 @@ public abstract bool BizAdvance(IntPtr ctx, Buttons keys, int[] vbuff, ref int n
 		public abstract void BizSetInputCallback(IntPtr ctx, InputCallback cb);
 
 		[UnmanagedFunctionPointer(cc)]
-		public delegate void RumbleCallback([MarshalAs(UnmanagedType.Bool)] bool enable);
+		public delegate void RumbleCallback(int value);
 
 		[BizImport(cc)]
 		public abstract void BizSetRumbleCallback(IntPtr ctx, RumbleCallback cb);
diff --git a/src/BizHawk.Emulation.Cores/Consoles/Nintendo/GBA/MGBAHawk.IInputPollable.cs b/src/BizHawk.Emulation.Cores/Consoles/Nintendo/GBA/MGBAHawk.IInputPollable.cs
index 82d1cbb7a11..8d9c94d8111 100644
--- a/src/BizHawk.Emulation.Cores/Consoles/Nintendo/GBA/MGBAHawk.IInputPollable.cs
+++ b/src/BizHawk.Emulation.Cores/Consoles/Nintendo/GBA/MGBAHawk.IInputPollable.cs
@@ -12,7 +12,7 @@ public partial class MGBAHawk : IInputPollable
 		public bool IsLagFrame { get; set; }
 		public IInputCallbackSystem InputCallbacks { get; } = new InputCallbackSystem();
 
-		private void SetRumble(bool enable)
-			=> _controller.SetHapticChannelStrength("Rumble", enable ? int.MaxValue : 0);
+		private void SetRumble(int value)
+			=> _controller.SetHapticChannelStrength("Rumble", value);
 	}
 }