diff --git a/src/bin/pg_basebackup/pg_receivexlog.c b/src/bin/pg_basebackup/pg_receivexlog.c
index e65f127..91caf66 100644
--- a/src/bin/pg_basebackup/pg_receivexlog.c
+++ b/src/bin/pg_basebackup/pg_receivexlog.c
@@ -20,6 +20,7 @@
 #include "streamutil.h"
 
 #include <dirent.h>
+#include <signal.h>
 #include <sys/stat.h>
 #include <sys/types.h>
 #include <unistd.h>