diff --git a/tests/Makefile b/tests/Makefile
index b68bb8a..4c74e25 100644
--- a/tests/Makefile
+++ b/tests/Makefile
@@ -47,7 +47,7 @@
 		test_suite_md			test_suite_mdx			\
 		test_suite_mpi			test_suite_pbkdf2		\
 		test_suite_pkcs1_v21	test_suite_pkcs5		\
-		test_suite_pkparse								\
+		test_suite_pkparse		test_suite_pkwrite		\
 		test_suite_rsa			test_suite_shax			\
 		test_suite_x509parse	test_suite_x509write	\
 		test_suite_xtea			test_suite_version
@@ -280,6 +280,10 @@
 	echo   "  CC    	$@.c"
 	$(CC) $(CFLAGS) $(OFLAGS) $@.c	$(LDFLAGS) -o $@
 
+test_suite_pkwrite: test_suite_pkwrite.c ../library/libpolarssl.a
+	echo   "  CC    	$@.c"
+	$(CC) $(CFLAGS) $(OFLAGS) $@.c	$(LDFLAGS) -o $@
+
 test_suite_rsa: test_suite_rsa.c ../library/libpolarssl.a
 	echo   "  CC    	$@.c"
 	$(CC) $(CFLAGS) $(OFLAGS) $@.c	$(LDFLAGS) -o $@