diff --git a/BizHawk.MultiClient/MainForm.cs b/BizHawk.MultiClient/MainForm.cs
index 457be1297a..ada18c2ddf 100644
--- a/BizHawk.MultiClient/MainForm.cs
+++ b/BizHawk.MultiClient/MainForm.cs
@@ -2923,7 +2923,7 @@ namespace BizHawk.MultiClient
 			else
 			{
 				ofd.Filter = FormatFilter(
-					"Rom Files", "*.nes;*.sms;*.gg;*.sg;*.gb;*.gbc;*.pce;*.sgx;*.bin;*.smd;*.gen;*.md;*.rom;*.cue;%ARCH%",
+					"Rom Files", "*.nes;*.sms;*.gg;*.sg;*.gb;*.gbc;*.pce;*.sgx;*.bin;*.smd;*.gen;*.md;*.smc;*.sfc;*.rom;*.cue;%ARCH%",
 					"Disc Images", "*.cue",
 					"NES", "*.nes;%ARCH%",
 					"Super NES", "*.smc;*.sfc;%ARCH%",