diff --git a/BizHawk.Emulation.Cores/Consoles/Nintendo/NES/NES.BoardSystem.cs b/BizHawk.Emulation.Cores/Consoles/Nintendo/NES/NES.BoardSystem.cs
index 4b1e6da7d3..305b52e103 100644
--- a/BizHawk.Emulation.Cores/Consoles/Nintendo/NES/NES.BoardSystem.cs
+++ b/BizHawk.Emulation.Cores/Consoles/Nintendo/NES/NES.BoardSystem.cs
@@ -125,7 +125,7 @@ namespace BizHawk.Emulation.Cores.Nintendo.NES
 					{
 #if DEBUG
 						if (ret != null)
-							throw new Exception($"Boards {ret} and {type} both responded to {nameof(NESBoardBase.Configure)}!");
+							throw new Exception($"Boards {ret} and {type} both responded to {nameof(NesBoardBase.Configure)}!");
 						ret = type;
 #else
 							return type;