1 files changed, 2 insertions, 2 deletions
diff --git a/cfg.mk b/cfg.mk
index e4f3faaad..c897dc45f 100644
--- a/cfg.mk
+++ b/cfg.mk
@@ -39,8 +39,8 @@ _hv_file ?= $(srcdir)/tests/misc/help-version
 dd = $(srcdir)/src/dd.c
 sc_dd_O_FLAGS:
 	@rm -f $@.1 $@.2
-	@{ echo O_FULLBLOCK; perl -nle '/^ +\| (O_\w*)$$/ and print $$1' \
-	  $(dd); } | sort > $@.1
+	@{ echo O_FULLBLOCK; echo O_NOCACHE;				\
+	  perl -nle '/^ +\| (O_\w*)$$/ and print $$1' $(dd); } | sort > $@.1
 	@{ echo O_NOFOLLOW; perl -nle '/{"[a-z]+",\s*(O_\w+)},/ and print $$1' \
 	  $(dd); } | sort > $@.2
 	@diff -u $@.1 $@.2 || diff=1 || diff=;				\