1 files changed, 3 insertions, 1 deletions
diff --git a/libssh/server.c b/libssh/server.c
index 7b3602b9..0a2f13fe 100644
--- a/libssh/server.c
+++ b/libssh/server.c
@@ -300,7 +300,9 @@ static int dh_handshake_server(SSH_SESSION *session){
     pubkey=publickey_to_string(pub);
     publickey_free(pub);
     dh_import_pubkey(session,pubkey);
-    dh_build_k(session);
+    if (dh_build_k(session) < 0) {
+      return -1;
+    }
     if (make_sessionid(session) != SSH_OK) {
       return -1;
     }