diff --git a/target/linux/ar71xx/config-2.6.32 b/target/linux/ar71xx/config-2.6.32
index 1479a1f4d5..036718cd93 100644
--- a/target/linux/ar71xx/config-2.6.32
+++ b/target/linux/ar71xx/config-2.6.32
@@ -26,7 +26,7 @@ CONFIG_AR71XX_MACH_MZK_W04NU=y
 CONFIG_AR71XX_MACH_MZK_W300NH=y
 CONFIG_AR71XX_MACH_PB42=y
 CONFIG_AR71XX_MACH_PB44=y
-CONFIG_AR71XX_MACH_RB_4XX=y
+CONFIG_AR71XX_MACH_RB4XX=y
 CONFIG_AR71XX_MACH_TEW_632BRP=y
 CONFIG_AR71XX_MACH_TL_WR1043ND=y
 CONFIG_AR71XX_MACH_TL_WR741ND=y
diff --git a/target/linux/ar71xx/config-2.6.33 b/target/linux/ar71xx/config-2.6.33
index 0916293576..006ff03c72 100644
--- a/target/linux/ar71xx/config-2.6.33
+++ b/target/linux/ar71xx/config-2.6.33
@@ -27,7 +27,7 @@ CONFIG_AR71XX_MACH_MZK_W04NU=y
 CONFIG_AR71XX_MACH_MZK_W300NH=y
 CONFIG_AR71XX_MACH_PB42=y
 CONFIG_AR71XX_MACH_PB44=y
-CONFIG_AR71XX_MACH_RB_4XX=y
+CONFIG_AR71XX_MACH_RB4XX=y
 CONFIG_AR71XX_MACH_TEW_632BRP=y
 CONFIG_AR71XX_MACH_TL_WR1043ND=y
 CONFIG_AR71XX_MACH_TL_WR741ND=y
diff --git a/target/linux/ar71xx/files/arch/mips/ar71xx/Kconfig b/target/linux/ar71xx/files/arch/mips/ar71xx/Kconfig
index c8e1926717..ee17f73fb7 100644
--- a/target/linux/ar71xx/files/arch/mips/ar71xx/Kconfig
+++ b/target/linux/ar71xx/files/arch/mips/ar71xx/Kconfig
@@ -106,7 +106,7 @@ config AR71XX_MACH_WRT400N
 	select AR71XX_DEV_LEDS_GPIO
 	default n
 
-config AR71XX_MACH_RB_4XX
+config AR71XX_MACH_RB4XX
 	bool "MikroTik RouterBOARD 4xx series support"
 	select AR71XX_DEV_GPIO_BUTTONS
 	select AR71XX_DEV_LEDS_GPIO
diff --git a/target/linux/ar71xx/files/arch/mips/ar71xx/Makefile b/target/linux/ar71xx/files/arch/mips/ar71xx/Makefile
index d8449f921b..2547ef7e41 100644
--- a/target/linux/ar71xx/files/arch/mips/ar71xx/Makefile
+++ b/target/linux/ar71xx/files/arch/mips/ar71xx/Makefile
@@ -36,7 +36,7 @@ obj-$(CONFIG_AR71XX_MACH_MZK_W04NU)	+= mach-mzk-w04nu.o
 obj-$(CONFIG_AR71XX_MACH_MZK_W300NH)	+= mach-mzk-w300nh.o
 obj-$(CONFIG_AR71XX_MACH_PB42)		+= mach-pb42.o
 obj-$(CONFIG_AR71XX_MACH_PB44)		+= mach-pb44.o
-obj-$(CONFIG_AR71XX_MACH_RB_4XX)	+= mach-rb-4xx.o
+obj-$(CONFIG_AR71XX_MACH_RB4XX)		+= mach-rb4xx.o
 obj-$(CONFIG_AR71XX_MACH_TEW_632BRP)	+= mach-tew-632brp.o
 obj-$(CONFIG_AR71XX_MACH_TL_WR741ND)	+= mach-tl-wr741nd.o
 obj-$(CONFIG_AR71XX_MACH_TL_WR841N_V1)	+= mach-tl-wr841n.o
diff --git a/target/linux/ar71xx/files/arch/mips/ar71xx/mach-rb-4xx.c b/target/linux/ar71xx/files/arch/mips/ar71xx/mach-rb4xx.c
similarity index 100%
rename from target/linux/ar71xx/files/arch/mips/ar71xx/mach-rb-4xx.c
rename to target/linux/ar71xx/files/arch/mips/ar71xx/mach-rb4xx.c