diff --git a/test/ecdsatest.c b/test/ecdsatest.c
index 01a19cecd778267188a3a88707fc470cd359de0c..96939a5b725959852b9b99fffa96af0c25d2c8fe 100644
--- a/test/ecdsatest.c
+++ b/test/ecdsatest.c
@@ -25,6 +25,7 @@
 # ifndef OPENSSL_NO_ENGINE
 #  include <openssl/engine.h>
 # endif
+# include <openssl/sha.h>
 # include <openssl/err.h>
 # include <openssl/rand.h>