1 files changed, 4 insertions, 2 deletions

diff --git a/src/lib/libcrypto/dh/dh_lib.c b/src/lib/libcrypto/dh/dh_lib.c
index 856d32c1b6..638b3a18fc 100644
--- a/src/lib/libcrypto/dh/dh_lib.c
+++ b/src/lib/libcrypto/dh/dh_lib.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: dh_lib.c,v 1.28 2018/02/20 18:01:42 tb Exp $ */
+/* $OpenBSD: dh_lib.c,v 1.29 2018/02/20 21:11:15 tb Exp $ */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
@@ -330,6 +330,8 @@ int
 DH_set_length(DH *dh, long length)
 {
         if (length < 0 || length > INT_MAX)
-                dh->length = length;
+                return 0;
+
+        dh->length = length;
         return 1;
 }