diff --git a/library/ecjpake.c b/library/ecjpake.c
index 6f448b0..c2ab4b8 100644
--- a/library/ecjpake.c
+++ b/library/ecjpake.c
@@ -217,7 +217,7 @@
     unsigned char *p = buf;
     const unsigned char *end = buf + sizeof(buf);
     const size_t id_len = strlen(id);
-    unsigned char hash[MBEDTLS_HASH_MAX_SIZE];
+    unsigned char hash[MBEDTLS_MD_MAX_SIZE];
 
     /* Write things to temporary buffer */
     MBEDTLS_MPI_CHK(ecjpake_write_len_point(&p, end, grp, pf, G));