diff --git a/src/psl.c b/src/psl.c
index c7a63ea..250a75d 100644
--- a/src/psl.c
+++ b/src/psl.c
@@ -68,6 +68,8 @@
 
 #include <sys/types.h>
 #include <sys/stat.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
 #include <unistd.h>
 #include <stdio.h>
 #include <stdlib.h>