diff --git a/src/Cedar/BridgeUnix.c b/src/Cedar/BridgeUnix.c
index 87287d7c..bff004a4 100644
--- a/src/Cedar/BridgeUnix.c
+++ b/src/Cedar/BridgeUnix.c
@@ -25,6 +25,7 @@
 #include <errno.h>
 #include <fcntl.h>
 
+#include <netpacket/packet.h>
 #include <net/if.h>
 #include <sys/ioctl.h>
 #include <sys/stat.h>
diff --git a/src/Mayaqua/Network.h b/src/Mayaqua/Network.h
index 3475744b..fbb699b7 100644
--- a/src/Mayaqua/Network.h
+++ b/src/Mayaqua/Network.h
@@ -13,6 +13,7 @@
 
 #ifdef OS_UNIX
 #include <netinet/in.h>
+#include <pthread.h>
 
 #ifdef UNIX_OPENBSD
 #include <pthread.h>