diff --git a/src/target/mips_ejtag.h b/src/target/mips_ejtag.h
index 3e0d83101..16918a20d 100644
--- a/src/target/mips_ejtag.h
+++ b/src/target/mips_ejtag.h
@@ -144,7 +144,7 @@
 #define EJTAG_V20_IBC_OFFS		0x4	/* IBC Offset */
 #define EJTAG_V20_IBM_OFFS		0x8
 #define EJTAG_V20_IBAn_STEP		0x10	/* Offset for next channel */
-#define EJTAG_V20_DBS			0xFF30008
+#define EJTAG_V20_DBS			0xFF300008
 #define EJTAG_V20_DBA0			0xFF300200
 #define EJTAG_V20_DBC_OFFS		0x4
 #define EJTAG_V20_DBM_OFFS		0x8
diff --git a/src/target/mips_m4k.c b/src/target/mips_m4k.c
index 650f79925..e8a38b96f 100644
--- a/src/target/mips_m4k.c
+++ b/src/target/mips_m4k.c
@@ -1341,7 +1341,7 @@ COMMAND_HANDLER(mips_m4k_handle_scan_delay_command)
 			return ERROR_COMMAND_SYNTAX_ERROR;
 
 	command_print(CMD_CTX, "scan delay: %d nsec", ejtag_info->scan_delay);
-	if (ejtag_info->scan_delay >= 20000000) {
+	if (ejtag_info->scan_delay >= 2000000) {
 		ejtag_info->mode = 0;
 		command_print(CMD_CTX, "running in legacy mode");
 	} else {