diff --git a/ixwebsocket/IXUdpSocket.cpp b/ixwebsocket/IXUdpSocket.cpp
index 60762126..a5beb0d8 100644
--- a/ixwebsocket/IXUdpSocket.cpp
+++ b/ixwebsocket/IXUdpSocket.cpp
@@ -113,9 +113,10 @@ namespace ix
             _sockfd, buffer.data(), buffer.size(), 0, (struct sockaddr*) &_server, sizeof(_server));
     }
 
-    ssize_t UdpSocket::recvfrom(void* buffer, size_t length)
+    ssize_t UdpSocket::recvfrom(char* buffer, size_t length)
     {
+        uint32_t addressLen = sizeof(_server);
         return (ssize_t)::recvfrom(
-            _sockfd, buffer, length, 0, (struct sockaddr*) &_server, sizeof(_server));
+            _sockfd, buffer, length, 0, (struct sockaddr*) &_server, &addressLen);
     }
 } // namespace ix
diff --git a/ixwebsocket/IXUdpSocket.h b/ixwebsocket/IXUdpSocket.h
index c609886a..22d914a1 100644
--- a/ixwebsocket/IXUdpSocket.h
+++ b/ixwebsocket/IXUdpSocket.h
@@ -28,7 +28,7 @@ namespace ix
         // Virtual methods
         bool init(const std::string& host, int port, std::string& errMsg);
         ssize_t sendto(const std::string& buffer);
-        ssize_t recvfrom(void* buffer, size_t length);
+        ssize_t recvfrom(char* buffer, size_t length);
 
         void close();