diff --git a/bacnet-stack/test/bacdcode.mak b/bacnet-stack/test/bacdcode.mak
index 22139aba..c35390c9 100644
--- a/bacnet-stack/test/bacdcode.mak
+++ b/bacnet-stack/test/bacdcode.mak
@@ -2,7 +2,7 @@
 CC      = gcc
 SRC_DIR = ../src
 INCLUDES = -I../include -I.
-DEFINES = -DBIG_ENDIAN=0 -DTEST -DTEST_DECODE
+DEFINES = -DBIG_ENDIAN=0 -DTEST -DTEST_DECODE -DMAX_APDU=50
 
 CFLAGS  = -Wall $(INCLUDES) $(DEFINES) -g
 
@@ -17,18 +17,18 @@ SRCS = $(SRC_DIR)/bacdcode.c \
 OBJS = ${SRCS:.c=.o}
 
 all: ${TARGET}
- 
+
 ${TARGET}: ${OBJS}
-	${CC} -o $@ ${OBJS} 
+	${CC} -o $@ ${OBJS}
 
 .c.o:
 	${CC} -c ${CFLAGS} $*.c -o $@
-	
+
 depend:
 	rm -f .depend
 	${CC} -MM ${CFLAGS} *.c >> .depend
-	
+
 clean:
-	rm -rf ${OBJS} ${TARGET} 
+	rm -rf ${OBJS} ${TARGET}
 
 include: .depend