diff --git a/configure.ac b/configure.ac
index f14e08853..560d38227 100644
--- a/configure.ac
+++ b/configure.ac
@@ -220,6 +220,7 @@ AC_CHECK_FUNCS([backtrace ffs geteuid getuid issetugid getresuid \
 	getdtablesize getifaddrs getpeereid getpeerucred getprogname getzoneid \
 	mmap posix_fallocate seteuid shmctl64 strncasecmp vasprintf vsnprintf \
 	walkcontext setitimer])
+AC_CONFIG_LIBOBJ_DIR([os])
 AC_REPLACE_FUNCS([reallocarray strcasecmp strcasestr strlcat strlcpy strndup])
 
 AC_CHECK_DECLS([program_invocation_short_name], [], [], [[#include <errno.h>]])