diff --git a/inc/rtspconnectionclient.h b/inc/rtspconnectionclient.h
index e1690c1..96d271f 100755
--- a/inc/rtspconnectionclient.h
+++ b/inc/rtspconnectionclient.h
@@ -130,8 +130,8 @@ class RTSPConnection
 
 		void        start(unsigned int delay = 0);
 		void		stop();
-		std::string getUrl()          { return m_url; }
-		int         getRtpTransport() { return m_rtptransport; }
+		std::string getUrl() const          { return m_url; }
+		int         getRtpTransport() const { return m_rtptransport; }
 
 	protected:
 		TASK_CALLBACK(RTSPConnection,startCallback);
diff --git a/src/rtspconnectionclient.cpp b/src/rtspconnectionclient.cpp
index e53c479..9977978 100755
--- a/src/rtspconnectionclient.cpp
+++ b/src/rtspconnectionclient.cpp
@@ -65,6 +65,7 @@ void RTSPConnection::stop()
 void RTSPConnection::TaskstopCallback() 
 {		
 	Medium::close(m_rtspClient);
+	m_rtspClient = NULL;
 }
 
 RTSPConnection::~RTSPConnection()
@@ -79,20 +80,20 @@ int getHttpTunnelPort(int  rtptransport, const char* rtspURL)
 	if (rtptransport == RTSPConnection::RTPOVERHTTP) 
 	{
 		std::string url = rtspURL;
-                const char * pattern = "://";
-                std::size_t pos = url.find(pattern);
-                if (pos != std::string::npos) {
-                        url.erase(0,pos+strlen(pattern));
-                }
-                pos = url.find_first_of("/");
-                if (pos != std::string::npos) {
-                        url.erase(pos);
-                }
-                pos = url.find_first_of(":");
-                if (pos != std::string::npos) {
+		const char * pattern = "://";
+		std::size_t pos = url.find(pattern);
+		if (pos != std::string::npos) {
+			url.erase(0,pos+strlen(pattern));
+		}
+		pos = url.find_first_of("/");
+		if (pos != std::string::npos) {
+			url.erase(pos);
+		}
+		pos = url.find_first_of(":");
+		if (pos != std::string::npos) {
 			url.erase(0,pos+1);
-                        httpTunnelPort = std::stoi(url);
-                }
+			httpTunnelPort = std::stoi(url);
+		}
 	}
 	return httpTunnelPort;
 }