diff --git a/board/bf527-sdp/config.mk b/board/bf527-sdp/config.mk
index ce8f75c..7271774 100644
--- a/board/bf527-sdp/config.mk
+++ b/board/bf527-sdp/config.mk
@@ -23,8 +23,8 @@
 # MA 02111-1307 USA
 #
 
-CFLAGS_lib_generic += -O2
-CFLAGS_lzma += -O2
+CFLAGS_lib += -O2
+CFLAGS_lib/lzma += -O2
 
 # Set some default LDR flags based on boot mode.
 LDR_FLAGS-BFIN_BOOT_PARA := --bits 16 --dma 6