diff --git a/BizHawk.Emulation.Cores/Consoles/Nintendo/QuickNES/LibQuickNES.cs b/BizHawk.Emulation.Cores/Consoles/Nintendo/QuickNES/LibQuickNES.cs
index de1f04a45f..dc3be9c3d5 100644
--- a/BizHawk.Emulation.Cores/Consoles/Nintendo/QuickNES/LibQuickNES.cs
+++ b/BizHawk.Emulation.Cores/Consoles/Nintendo/QuickNES/LibQuickNES.cs
@@ -7,8 +7,6 @@ namespace BizHawk.Emulation.Cores.Consoles.Nintendo.QuickNES
 {
 	public abstract class LibQuickNES
 	{
-		public const string dllname = "libquicknes.dll";
-
 		/// <summary>
 		/// setup extra mappers.  should be done before anything else
 		/// </summary>
diff --git a/BizHawk.Emulation.Cores/Consoles/Nintendo/QuickNES/QuickNES.cs b/BizHawk.Emulation.Cores/Consoles/Nintendo/QuickNES/QuickNES.cs
index d016460ffa..d6cd4cfb6c 100644
--- a/BizHawk.Emulation.Cores/Consoles/Nintendo/QuickNES/QuickNES.cs
+++ b/BizHawk.Emulation.Cores/Consoles/Nintendo/QuickNES/QuickNES.cs
@@ -3,6 +3,7 @@ using System.Collections.Generic;
 using System.Linq;
 using System.Runtime.InteropServices;
 
+using BizHawk.Common;
 using BizHawk.Emulation.Common;
 using BizHawk.Common.BizInvoke;
 
@@ -21,7 +22,7 @@ namespace BizHawk.Emulation.Cores.Consoles.Nintendo.QuickNES
 	{
 		static QuickNES()
 		{
-			Resolver = new DynamicLibraryImportResolver(LibQuickNES.dllname);
+			Resolver = new DynamicLibraryImportResolver($"libquicknes{(OSTailoredCode.CurrentOS == OSTailoredCode.DistinctOS.Windows ? ".dll" : ".dll.so")}");
 			QN = BizInvoker.GetInvoker<LibQuickNES>(Resolver, CallingConventionAdapters.Native);
 			QN.qn_setup_mappers();
 		}