diff --git a/cmake/config-ix.cmake b/cmake/config-ix.cmake
index dd96b5c3091..7d5277517a9 100755
--- a/cmake/config-ix.cmake
+++ b/cmake/config-ix.cmake
@@ -67,6 +67,7 @@ check_include_file(sys/param.h HAVE_SYS_PARAM_H)
 check_include_file(sys/resource.h HAVE_SYS_RESOURCE_H)
 check_include_file(sys/stat.h HAVE_SYS_STAT_H)
 check_include_file(sys/time.h HAVE_SYS_TIME_H)
+check_include_file(sys/types.h HAVE_SYS_TYPES_H)
 check_include_file(sys/uio.h HAVE_SYS_UIO_H)
 check_include_file(termios.h HAVE_TERMIOS_H)
 check_include_file(unistd.h HAVE_UNISTD_H)