diff --git a/Makefile b/Makefile
index 2ca7ced..71ef1be 100644
--- a/Makefile
+++ b/Makefile
@@ -30,6 +30,7 @@
 
 ssl-opt: lib mbedtls_test
 	$(MAKE) -C programs ssl-opt
+	$(MAKE) -C tests ssl-opt
 
 lib:
 	$(MAKE) -C library