diff --git a/BizHawk.MultiClient/output/gamedb/gamedb_a2600.txt b/BizHawk.MultiClient/output/gamedb/gamedb_a2600.txt
index cdf98252e4..c1ebeba14a 100644
--- a/BizHawk.MultiClient/output/gamedb/gamedb_a2600.txt
+++ b/BizHawk.MultiClient/output/gamedb/gamedb_a2600.txt
@@ -2690,4 +2690,5 @@ sha1:e9cbd1348c7c2e6f7a1ed174554fc144f291debc		Ko Avgn - Ntsc - 2009-08-16	A26
 sha1:080deaf5fe7c0e3b132365bfe9e8003becf3498d		Ko Avgn - Ntsc - 2009-08-16	A26		m=F4
 sha1:63C12146C183BCCBF05C0044A961DC40790E3212		Pleiades (1983) (UA Limited) (Prototype)	A26		m=UA
 sha1:86BBE6E62DACF6E5CD771BD9249C4ED51BF60092		dungeon_rc4	A26		m=F4
-sha1:C11F59AE0ECD376AF52AE57B5BE8B6F039DE0D0E		MegaBoy (X07 Bankswitching Conversion) (2008) (Fred Quimby)	A26		m=X07
\ No newline at end of file
+sha1:C11F59AE0ECD376AF52AE57B5BE8B6F039DE0D0E		MegaBoy (X07 Bankswitching Conversion) (2008) (Fred Quimby)	A26		m=X07
+sha1:54399CE15B443E789B8537306BC5AC3BB48B888D		MegaBoy (EF Bankswitching Conversion) (2008) (Fred Quimby)	A26		m=EF
\ No newline at end of file