diff --git a/README b/README
index b247375..9c8f9be 100644
--- a/README
+++ b/README
@@ -171,7 +171,7 @@ Notes:
   parameters:
   $ cat /proc/sys/net/core/rmem_default
   $ cat /proc/sys/net/core/rmem_max
- 
+
 Acknowledgements:
 
 - Big thanks to Digital Devices GmbH for providing the Octopus Net
diff --git a/socket.c b/socket.c
index 7ea436b..b51d6ea 100644
--- a/socket.c
+++ b/socket.c
@@ -28,8 +28,16 @@
 #endif
 
 cSatipSocket::cSatipSocket()
-: cSatipSocket(0)
+: socketPortM(0),
+  socketDescM(-1),
+  isMulticastM(false),
+  useSsmM(false),
+  streamAddrM(htonl(INADDR_ANY)),
+  sourceAddrM(htonl(INADDR_ANY)),
+  rcvBufSizeM(0)
 {
+  debug1("%s", __PRETTY_FUNCTION__);
+  memset(&sockAddrM, 0, sizeof(sockAddrM));
 }
 
 cSatipSocket::cSatipSocket(size_t rcvBufSizeP)
diff --git a/socket.h b/socket.h
index cd4b75d..289f96c 100644
--- a/socket.h
+++ b/socket.h
@@ -20,13 +20,14 @@ private:
   in_addr_t streamAddrM;
   in_addr_t sourceAddrM;
   size_t rcvBufSizeM;
+
   bool CheckAddress(const char *addrP, in_addr_t *inAddrP);
   bool Join(void);
   bool Leave(void);
 
 public:
   cSatipSocket();
-  cSatipSocket(size_t rcvBufSizeP);
+  explicit cSatipSocket(size_t rcvBufSizeP);
   virtual ~cSatipSocket();
   bool Open(const int portP = 0, const bool reuseP = false);
   bool OpenMulticast(const int portP, const char *streamAddrP, const char *sourceAddrP);