diff --git a/src/ines.c b/src/ines.c
index 590e0e1..6900951 100644
--- a/src/ines.c
+++ b/src/ines.c
@@ -669,6 +669,7 @@ static BMAPPINGLocal bmap[] = {
 	{(uint8_t*)"60-1064-16L (FDS)",		538, Mapper538_Init },
 	{(uint8_t*)"LittleCom 160-in-1",	541, Mapper541_Init },
 	{(uint8_t*)"8-in-1 JY-119",	267, Mapper267_Init },
+	{(uint8_t*)"MMC3 BMC PIRATE",		294, Bs5652_Init}, /* nesdev redirects this as mapper 134 */
 
 	/* UNIF to NES 2.0 BOARDS */
 
diff --git a/src/unif.c b/src/unif.c
index 2c11ca7..5163b4e 100644
--- a/src/unif.c
+++ b/src/unif.c
@@ -604,7 +604,7 @@ static BMAPPING bmap[] = {
 	{ "830134C", 315, BMC830134C_Init, 0 },
 	{ "GN-26", 344, BMCGN26_Init, 0 },
 	{ "KG256", NO_INES,KG256_Init, 0 },
-	{ "T4A54A", 134, Mapper134_Init, 0 },
+	{ "T4A54A", 134, Bs5652_Init, 0 },
 
 #ifdef COPYFAMI
 	{ "COPYFAMI_MMC3", NO_INES, MapperCopyFamiMMC3_Init, 0 },