diff --git a/tests/Makefile b/tests/Makefile
index 40e65fab0..9607ee5df 100644
--- a/tests/Makefile
+++ b/tests/Makefile
@@ -76,7 +76,7 @@ APPS =	test_suite_aes.ecb$(EXEXT)	test_suite_aes.cbc$(EXEXT)	\
 	test_suite_md$(EXEXT)		test_suite_mdx$(EXEXT)		\
 	test_suite_memory_buffer_alloc$(EXEXT)				\
 	test_suite_mpi$(EXEXT)						\
-	test_suite_pem$(EXEXT)						\
+	test_suite_pem$(EXEXT)			test_suite_pkcs1_v15$(EXEXT)	\
 	test_suite_pkcs1_v21$(EXEXT)	test_suite_pkcs5$(EXEXT)	\
 	test_suite_pkparse$(EXEXT)	test_suite_pkwrite$(EXEXT)	\
 	test_suite_pk$(EXEXT)						\
@@ -372,6 +372,10 @@ test_suite_pem$(EXEXT): test_suite_pem.c $(DEP)
 	echo "  CC    $<"
 	$(CC) $(LOCAL_CFLAGS) $(CFLAGS) $<	$(LOCAL_LDFLAGS) $(LDFLAGS) -o $@
 
+test_suite_pkcs1_v15$(EXEXT): test_suite_pkcs1_v15.c $(DEP)
+	echo "  CC    $<"
+	$(CC) $(LOCAL_CFLAGS) $(CFLAGS) $<	$(LOCAL_LDFLAGS) $(LDFLAGS) -o $@
+
 test_suite_pkcs1_v21$(EXEXT): test_suite_pkcs1_v21.c $(DEP)
 	echo "  CC    $<"
 	$(CC) $(LOCAL_CFLAGS) $(CFLAGS) $<	$(LOCAL_LDFLAGS) $(LDFLAGS) -o $@