diff --git a/sock_channel.cpp b/sock_channel.cpp
index 34adf3a..a91bb4e 100644
--- a/sock_channel.cpp
+++ b/sock_channel.cpp
@@ -37,7 +37,7 @@
     auto bufferSize = outBuffer.size();
     auto outputPtr = outBuffer.data();
 
-    address.addrSize = sizeof(address.inAddr);
+    address.addrSize = static_cast<socklen_t>(sizeof(address.inAddr));
 
     do
     {
@@ -98,7 +98,7 @@
         {
             if (FD_ISSET(sockfd, &writeSet))
             {
-                address.addrSize = sizeof(address.inAddr);
+                address.addrSize = static_cast<socklen_t>(sizeof(address.inAddr));
                 do
                 {
                     writeDataLen = sendto(sockfd,           // File Descriptor
diff --git a/sock_channel.hpp b/sock_channel.hpp
index 1bd047e..0ba0df1 100644
--- a/sock_channel.hpp
+++ b/sock_channel.hpp
@@ -26,7 +26,7 @@
                 sockaddr sockAddr;
                 sockaddr_in6 inAddr;
             };
-            size_t addrSize;
+            socklen_t addrSize;
         };
 
         /**