diff --git a/Connection.cc b/Connection.cc
index ea02899..18f344a 100644
--- a/Connection.cc
+++ b/Connection.cc
@@ -1,4 +1,5 @@
 #include <netinet/tcp.h>
+#include <netinet/in.h>
 
 #include <event2/buffer.h>
 #include <event2/bufferevent.h>
diff --git a/Protocol.cc b/Protocol.cc
index 6d346b8..e61e66e 100644
--- a/Protocol.cc
+++ b/Protocol.cc
@@ -1,4 +1,5 @@
 #include <netinet/tcp.h>
+#include <netinet/in.h>
 
 #include <event2/buffer.h>
 #include <event2/bufferevent.h>
diff --git a/SConstruct b/SConstruct
index 57d0054..4689773 100644
--- a/SConstruct
+++ b/SConstruct
@@ -16,20 +16,20 @@ if sys.platform == 'darwin':
 conf = env.Configure(config_h = "config.h")
 conf.Define("__STDC_FORMAT_MACROS")
 if not conf.CheckCXX():
-    print "A compiler with C++11 support is required."
-    Exit(1)
-print "Checking for gengetopt...",
+    print("A compiler with C++11 support is required.")
+    sys.exit(1)
+print("Checking for gengetopt...",)
 if env.Execute("@which gengetopt &> /dev/null"):
-    print "not found (required)"
-    Exit(1)
-else: print "found"
+    print("not found (required)")
+    sys.exit(1)
+else: print("found")
 if not conf.CheckLibWithHeader("event", "event2/event.h", "C++"):
-    print "libevent required"
-    Exit(1)
+    print("libevent required")
+    sys.exit(1)
 conf.CheckDeclaration("EVENT_BASE_FLAG_PRECISE_TIMER", '#include <event2/event.h>', "C++")
 if not conf.CheckLibWithHeader("pthread", "pthread.h", "C++"):
-    print "pthread required"
-    Exit(1)
+    print("pthread required")
+    sys.exit(1)
 conf.CheckLib("rt", "clock_gettime", language="C++")
 conf.CheckLibWithHeader("zmq", "zmq.hpp", "C++")
 if not conf.CheckFunc('pthread_barrier_init'):
diff --git a/mutilate.cc b/mutilate.cc
index 426fd05..c1f35f5 100644
--- a/mutilate.cc
+++ b/mutilate.cc
@@ -8,6 +8,7 @@
 #include <sys/types.h>
 #include <time.h>
 #include <unistd.h>
+#include <netinet/in.h>
 
 #include <queue>
 #include <string>