diff --git a/configure.in b/configure.in
index 2abc71550cf9e98106ebf62432e98b1eb9c5be98..3f3aae59b40962e3fe6d2058dfd4f1ecc51d2a63 100644
--- a/configure.in
+++ b/configure.in
@@ -18,6 +18,7 @@ AC_CHECK_HEADERS(sys/param.h)
 AC_CHECK_HEADERS(sys/time.h)
 AC_CHECK_HEADERS(sys/select.h)
 
+AC_HEADER_ASSERT
 AC_HEADER_STDBOOL
 AC_HEADER_TIME