diff --git a/ssl/s3_lib.c b/ssl/s3_lib.c
index de917d3f8..f716d77c8 100644
--- a/ssl/s3_lib.c
+++ b/ssl/s3_lib.c
@@ -2955,7 +2955,7 @@ int ssl3_new(SSL *s)
 
 void ssl3_free(SSL *s)
 {
-    if (s == NULL)
+    if (s == NULL || s->s3 == NULL)
         return;
 
 #ifdef TLSEXT_TYPE_opaque_prf_input