diff --git a/libs/sofia-sip/libsofia-sip-ua/tport/tport_type_ws.c b/libs/sofia-sip/libsofia-sip-ua/tport/tport_type_ws.c
index f6b1862b2f..c6846be1e1 100644
--- a/libs/sofia-sip/libsofia-sip-ua/tport/tport_type_ws.c
+++ b/libs/sofia-sip/libsofia-sip-ua/tport/tport_type_ws.c
@@ -464,7 +464,7 @@ static void tport_ws_deinit_secondary(tport_t *self)
 		wsh_t *wsh = wstp->ws;
 		SU_DEBUG_1(("%p destroy ws%s transport %p.\n", (void *) self, wstp->ws_secure ? "s" : "", (void *) wsh));
 		ws_destroy(&wsh);
-		wstp->ws_initialized = 0;
+		wstp->ws_initialized = 1;
 	}
 }
 
diff --git a/libs/sofia-sip/libsofia-sip-ua/tport/tport_ws.h b/libs/sofia-sip/libsofia-sip-ua/tport/tport_ws.h
index c7d5d39b8f..034b6f8fde 100644
--- a/libs/sofia-sip/libsofia-sip-ua/tport/tport_ws.h
+++ b/libs/sofia-sip/libsofia-sip-ua/tport/tport_ws.h
@@ -57,7 +57,7 @@ typedef struct tport_ws_s {
   tport_t  wstp_tp[1];
   wsh_t    ws[1];
   char    *wstp_buffer;
-  unsigned ws_initialized:1;
+  SU_S8_T  ws_initialized;
   unsigned ws_secure:1;
   unsigned:0;
 } tport_ws_t;