diff --git a/BizHawk.Emulation/Consoles/Calculator/TI83.cs b/BizHawk.Emulation/Consoles/Calculator/TI83.cs
index 6183f52a0d..b85edf804c 100644
--- a/BizHawk.Emulation/Consoles/Calculator/TI83.cs
+++ b/BizHawk.Emulation/Consoles/Calculator/TI83.cs
@@ -629,7 +629,6 @@ namespace BizHawk.Emulation.Consoles.Calculator
 		public void FrameAdvance(bool render)
 		{
             Controller.UpdateControls(Frame++);
-            Frame++;
             //I eyeballed this speed
 			for (int i = 0; i < 5; i++)
 			{