diff --git a/src/TinyGsmClientSIM800.h b/src/TinyGsmClientSIM800.h
index 9e02038..9519a3c 100644
--- a/src/TinyGsmClientSIM800.h
+++ b/src/TinyGsmClientSIM800.h
@@ -213,7 +213,11 @@ public:
 
 public:
 
+#ifdef GSM_DEFAULT_STREAM
+  TinyGsmSim800(Stream& stream = GSM_DEFAULT_STREAM)
+#else
   TinyGsmSim800(Stream& stream)
+#endif
     : stream(stream)
   {
     memset(sockets, 0, sizeof(sockets));
@@ -402,10 +406,10 @@ public:
       int status = waitResponse(GF("READY"), GF("SIM PIN"), GF("SIM PUK"), GF("NOT INSERTED"));
       waitResponse();
       switch (status) {
-      case 2:
-      case 3:  return SIM_LOCKED;
-      case 1:  return SIM_READY;
-      default: return SIM_ERROR;
+        case 2:
+        case 3:  return SIM_LOCKED;
+        case 1:  return SIM_READY;
+        default: return SIM_ERROR;
       }
     }
     return SIM_ERROR;