diff --git a/configure.in b/configure.in
index 6c5271588..71af4e9d0 100644
--- a/configure.in
+++ b/configure.in
@@ -274,6 +274,7 @@ AC_CHECK_HEADERS([\
 	errno.h					\
 	fcntl.h					\
 	fnmatch.h				\
+	gdbm/ndbm.h				\
 	grp.h					\
 	inttypes.h				\
 	io.h					\