diff --git a/inotify.c b/inotify.c
index d5043bb..c5c4343 100644
--- a/inotify.c
+++ b/inotify.c
@@ -25,6 +25,7 @@
 #include <unistd.h>
 #include <dirent.h>
 #include <libgen.h>
+#include <signal.h>
 #include <errno.h>
 #include <sys/types.h>
 #include <sys/stat.h>