diff --git a/tests/Makefile b/tests/Makefile
index dacdc00..79f51f0 100644
--- a/tests/Makefile
+++ b/tests/Makefile
@@ -6,8 +6,8 @@ SRCOBJS = ../src/base32.o  ../src/base64.o ../src/read.o ../src/dns.o ../src/enc
 OS = `uname | tr "a-z" "A-Z"`
 
 CHECK_PATH = /usr/local
-LDFLAGS +=  -L${CHECK_PATH}/lib -lcheck
-CFLAGS += -g -Wall -D$(OS) -I../src -I${CHECK_PATH}/include -pedantic
+LDFLAGS = -L$(CHECK_PATH)/lib -lcheck `../src/osflags link`
+CFLAGS = -g -Wall -D$(OS) -I../src -I$(CHECK_PATH)/include -pedantic `../src/osflags cflags`
 
 all: $(TEST)
 	@LD_LIBRARY_PATH=${CHECK_PATH}/lib ./$(TEST)