diff --git a/ESP8266Interface.cpp b/ESP8266Interface.cpp
index 1abd966..7c23ec1 100644
--- a/ESP8266Interface.cpp
+++ b/ESP8266Interface.cpp
@@ -640,6 +640,9 @@ void ESP8266Interface::attach(mbed::Callback<void(nsapi_event_t, intptr_t)> stat
 
 nsapi_connection_status_t ESP8266Interface::get_connection_status() const
 {
+    if (_initialized) {
+        _esp.bg_process_oob(ESP8266_RECV_TIMEOUT, true);
+    }
     return _conn_stat;
 }
 
diff --git a/ESP8266Interface.h b/ESP8266Interface.h
index ebd6411..643480a 100644
--- a/ESP8266Interface.h
+++ b/ESP8266Interface.h
@@ -332,7 +332,7 @@ class ESP8266Interface : public NetworkStack, public WiFiInterface
 
 private:
     // AT layer
-    ESP8266 _esp;
+    mutable ESP8266 _esp;
     void update_conn_state_cb();
 
     // Credentials