diff --git a/lib/c_glib/src/thrift/c_glib/transport/thrift_ssl_socket.c b/lib/c_glib/src/thrift/c_glib/transport/thrift_ssl_socket.c
index bc75e2c..4abeb93 100644
--- a/lib/c_glib/src/thrift/c_glib/transport/thrift_ssl_socket.c
+++ b/lib/c_glib/src/thrift/c_glib/transport/thrift_ssl_socket.c
@@ -215,7 +215,10 @@
   ThriftSSLSocket *ssl_socket = THRIFT_SSL_SOCKET (transport);
   guint bytes = 0;
   guint retries = 0;
-  for (retries=0; retries < maxRecvRetries_; retries++) {
+  ThriftSocket *socket = THRIFT_SOCKET (transport);
+  g_return_val_if_fail (socket->sd != THRIFT_INVALID_SOCKET, FALSE);
+
+    for (retries=0; retries < maxRecvRetries_; retries++) {
       bytes = SSL_read(ssl_socket->ssl, buf, len);
       if (bytes >= 0)
 	break;
@@ -252,7 +255,7 @@
   ThriftSSLSocket *ssl_socket = THRIFT_SSL_SOCKET (transport);
   gint ret = 0;
   guint sent = 0;
-  ThriftSocket *socket = THRIFT_SSL_SOCKET (transport);
+  ThriftSocket *socket = THRIFT_SOCKET (transport);
   g_return_val_if_fail (socket->sd != THRIFT_INVALID_SOCKET, FALSE);
 
   while (sent < len)
@@ -290,6 +293,10 @@
   ThriftSSLSocket *ssl_socket = THRIFT_SSL_SOCKET (transport);
   gint ret = 0;
   guint sent = 0;
+
+  ThriftSocket *socket = THRIFT_SOCKET (transport);
+  g_return_val_if_fail (socket->sd != THRIFT_INVALID_SOCKET, FALSE);
+
   BIO* bio = SSL_get_wbio(ssl_socket->ssl);
   if (bio == NULL) {
       g_set_error (error, THRIFT_TRANSPORT_ERROR,