diff --git a/tools/cert_create/Makefile b/tools/cert_create/Makefile
index eae76df..437b692 100644
--- a/tools/cert_create/Makefile
+++ b/tools/cert_create/Makefile
@@ -10,6 +10,7 @@
 DEBUG		:= 0
 BINARY		:= ${PROJECT}${BIN_EXT}
 OPENSSL_DIR	:= /usr
+USE_TBBR_DEFS   := 1
 
 OBJECTS := src/cert.o \
            src/cmd_opt.o \