diff --git a/src/ip_address.cpp b/src/ip_address.cpp
index 74d4fdd..75fbce7 100644
--- a/src/ip_address.cpp
+++ b/src/ip_address.cpp
@@ -30,6 +30,7 @@
 #ifdef WIN32
     #include <ws2tcpip.h>
 #else // WIN32
+    #include <sys/socket.h>
     #include <arpa/inet.h>
 #endif // WIN32
 #include <stdexcept>
diff --git a/src/snap.cpp b/src/snap.cpp
index 662a54b..47af2e2 100644
--- a/src/snap.cpp
+++ b/src/snap.cpp
@@ -33,6 +33,7 @@
 #endif
 #include <stdexcept>
 #ifndef WIN32
+    #include <sys/types.h>
     #include <net/ethernet.h>
 #endif
 #include "snap.h"