diff --git a/samples/loop/client.lua b/samples/loop/client.lua
index 7e5430d..f2033c7 100644
--- a/samples/loop/client.lua
+++ b/samples/loop/client.lua
@@ -23,6 +23,8 @@ while true do
    assert( peer:dohandshake() )
    --]]
 
+   peer:getpeercertificate():extensions()
+
    print(peer:receive("*l"))
    peer:close()
 end
diff --git a/src/x509.c b/src/x509.c
index 6aded50..9cae8b8 100644
--- a/src/x509.c
+++ b/src/x509.c
@@ -372,6 +372,7 @@ int meth_extensions(lua_State* L)
         break;
       }
     }
+    sk_GENERAL_NAME_free(values);
     lua_pop(L, 1); /* ret[oid] */
     i++;           /* Next extension */
   }