diff --git a/src/ecdh.c b/src/ecdh.c
index 1be1d927..a4c07ccb 100644
--- a/src/ecdh.c
+++ b/src/ecdh.c
@@ -63,7 +63,7 @@ SSH_PACKET_CALLBACK(ssh_packet_client_ecdh_reply){
   }
 
   rc = ssh_dh_import_next_pubkey_blob(session, pubkey_blob);
-  ssh_string_free(pubkey_blob);
+  SSH_STRING_FREE(pubkey_blob);
   if (rc != 0) {
       goto error;
   }