diff --git a/arch/mips/alchemy/devboards/Makefile b/arch/mips/alchemy/devboards/Makefile
index cfda9721142b1ab0209ae875d7e7e8631531fb8c..c74ef80b92fcfaabac5d0d99eba7ca472971da24 100644
--- a/arch/mips/alchemy/devboards/Makefile
+++ b/arch/mips/alchemy/devboards/Makefile
@@ -16,3 +16,5 @@ obj-$(CONFIG_MIPS_DB1500)	+= db1x00/
 obj-$(CONFIG_MIPS_DB1550)	+= db1x00/
 obj-$(CONFIG_MIPS_BOSPORUS)	+= db1x00/
 obj-$(CONFIG_MIPS_MIRAGE)	+= db1x00/
+
+EXTRA_CFLAGS += -Werror
diff --git a/arch/mips/alchemy/xxs1500/Makefile b/arch/mips/alchemy/xxs1500/Makefile
index 68671c2f372cb3009da5c1f8a68b552db502a888..4dc81d794cb8dc65b4af71868e3c5eed267d081f 100644
--- a/arch/mips/alchemy/xxs1500/Makefile
+++ b/arch/mips/alchemy/xxs1500/Makefile
@@ -6,3 +6,5 @@
 #
 
 lib-y := init.o board_setup.o platform.o
+
+EXTRA_CFLAGS += -Werror