diff --git a/configure.ac b/configure.ac
index 30891cbd9..52e2e87be 100644
--- a/configure.ac
+++ b/configure.ac
@@ -667,6 +667,7 @@ RB_CHK_SYSHEADER(sys/utsname.h, [SYS_UTSNAME_H])
 dnl linux platform
 RB_CHK_SYSHEADER(malloc.h, [MALLOC_H])
 RB_CHK_SYSHEADER(sys/eventfd.h, [SYS_EVENTFD_H])
+RB_CHK_SYSHEADER(sys/inotify.h, [SYS_INOTIFY_H])
 RB_CHK_SYSHEADER(linux/aio_abi.h, [LINUX_AIO_ABI_H])
 RB_CHK_SYSHEADER(linux/magic.h, [LINUX_MAGIC_H])