diff --git a/blackfin_config.mk b/blackfin_config.mk
index df324b7efa..f71a31370e 100644
--- a/blackfin_config.mk
+++ b/blackfin_config.mk
@@ -21,4 +21,4 @@
 # MA 02111-1307 USA
 #
 
-PLATFORM_CPPFLAGS += -DCONFIG_BLACKFIN
+PLATFORM_CPPFLAGS += -DCONFIG_BLACKFIN -D__BLACKFIN__
diff --git a/config.mk b/config.mk
index 582df329a4..37d61a0c86 100644
--- a/config.mk
+++ b/config.mk
@@ -69,10 +69,6 @@ PLATFORM_CPPFLAGS+= -D__ARM__
 endif
 endif
 
-ifeq ($(ARCH),blackfin)
-PLATFORM_CPPFLAGS+= -D__BLACKFIN__
-endif
-
 ifdef	ARCH
 sinclude $(TOPDIR)/$(ARCH)_config.mk	# include architecture dependend rules
 endif