1 files changed, 1 insertions, 0 deletions

diff --git a/src/lib/libssl/d1_lib.c b/src/lib/libssl/d1_lib.c
index f61f718183..106939f241 100644
--- a/src/lib/libssl/d1_lib.c
+++ b/src/lib/libssl/d1_lib.c
@@ -196,6 +196,7 @@ void dtls1_free(SSL *s)
         pqueue_free(s->d1->buffered_app_data.q);
 
         OPENSSL_free(s->d1);
+        s->d1 = NULL;
         }
 
 void dtls1_clear(SSL *s)