diff --git a/yeeshell.c b/yeeshell.c
index 55e947f..c7e0e5f 100644
--- a/yeeshell.c
+++ b/yeeshell.c
@@ -6,6 +6,7 @@
 #include <unistd.h>
 #include <string.h>
 #include <dirent.h>
+#include <signal.h>
 #include <errno.h>
 #include "yeeshell.h"