diff --git a/src/server.c b/src/server.c
index 0ce740c..20e3626 100644
--- a/src/server.c
+++ b/src/server.c
@@ -1,6 +1,7 @@
 #include <stdio.h>
 #include <string.h>
 #include <stdlib.h>
+#include <signal.h>
 #include <sys/types.h>
 #include <sys/socket.h>
 #include <netinet/in.h>