diff --git a/BizHawk.Client.Common/RomLoader.cs b/BizHawk.Client.Common/RomLoader.cs
index 8bbfd4b996..8371edc70c 100644
--- a/BizHawk.Client.Common/RomLoader.cs
+++ b/BizHawk.Client.Common/RomLoader.cs
@@ -129,7 +129,7 @@ namespace BizHawk.Client.Common
 			return false;
 		}
 
-		public bool LoadRom(string path, CoreComm nextComm)
+		public bool LoadRom(string path, CoreComm nextComm, bool forceAccurateCore = false) // forceAccurateCore is currently just for Quicknes vs Neshawk but could be used for other situations
 		{
 			if (path == null)
 			{
@@ -339,7 +339,7 @@ namespace BizHawk.Client.Common
 								nextEmulator = new TI83(nextComm, game, rom.RomData);
 								break;
 							case "NES":
-								if (!Global.Config.NES_InQuickNES)
+								if (!Global.Config.NES_InQuickNES || forceAccurateCore)
 								{
 									nextEmulator = new NES(
 										nextComm,
@@ -431,8 +431,21 @@ namespace BizHawk.Client.Common
 				{
 					string system = null;
 					if (game != null)
+					{
 						system = game.System;
-					ThrowLoadError("A core accepted the rom, but throw an exception while loading it:\n\n" + ex, system);
+					}
+
+					// Specific hack here, as we get more cores of the same system, this isn't scalable
+					if (ex is LibQuickNES.UnsupportedMapperException)
+					{
+						LoadRom(path, nextComm, forceAccurateCore: true);
+						return true;
+					}
+					else
+					{
+						ThrowLoadError("A core accepted the rom, but throw an exception while loading it:\n\n" + ex, system);
+					}
+
 					return false;
 				}
 
diff --git a/BizHawk.Emulation.Cores/Consoles/Nintendo/QuickNES/LibQuickNES.cs b/BizHawk.Emulation.Cores/Consoles/Nintendo/QuickNES/LibQuickNES.cs
index c518cb8081..9161a2c075 100644
--- a/BizHawk.Emulation.Cores/Consoles/Nintendo/QuickNES/LibQuickNES.cs
+++ b/BizHawk.Emulation.Cores/Consoles/Nintendo/QuickNES/LibQuickNES.cs
@@ -224,6 +224,15 @@ namespace BizHawk.Emulation.Cores.Consoles.Nintendo.QuickNES
 		[DllImport(dllname, CallingConvention = CallingConvention.Cdecl)]
 		public static extern IntPtr qn_get_mapper(IntPtr e, ref int number);
 
+		public class UnsupportedMapperException : InvalidOperationException
+		{
+			public UnsupportedMapperException(string message)
+				: base(message)
+			{
+
+			}
+		}
+
 		/// <summary>
 		/// handle "string error" as returned by some quicknes functions
 		/// </summary>
@@ -233,7 +242,14 @@ namespace BizHawk.Emulation.Cores.Consoles.Nintendo.QuickNES
 			if (p == IntPtr.Zero)
 				return;
 			string s = Marshal.PtrToStringAnsi(p);
-			throw new InvalidOperationException("LibQuickNES error: " + s);
+			if (s == "Unsupported mapper")
+			{
+				throw new UnsupportedMapperException("Quicknes unsupported mapper");
+			}
+			else
+			{
+				throw new InvalidOperationException("LibQuickNES error: " + s);
+			}
 		}
 	}
 }