diff --git a/BizHawk.Emulation.Common/Database/Database.cs b/BizHawk.Emulation.Common/Database/Database.cs
index 4454c4e055..99ac3cb55c 100644
--- a/BizHawk.Emulation.Common/Database/Database.cs
+++ b/BizHawk.Emulation.Common/Database/Database.cs
@@ -55,7 +55,7 @@ namespace BizHawk.Emulation.Common
 
 		private static void LoadDatabase_Escape(string line, string path)
 		{
-			if (!line.ToUpper().StartsWith("#INCLUDE"))
+			if (!line.ToUpperInvariant().StartsWith("#INCLUDE"))
 			{
 				return;
 			}