diff --git a/t/Makefile.am b/t/Makefile.am
index 8722aef..71bbd7a 100644
--- a/t/Makefile.am
+++ b/t/Makefile.am
@@ -1,4 +1,6 @@
 TEST_LOG_DRIVER = env AM_TAP_AWK='$(AWK)' $(SHELL) \
                   $(top_srcdir)/build-aux/tap-driver.sh
 TESTS = t0001-whitespace.sh t0002-invalid.sh t0003-sections.sh t0004-comments.sh t0005-new_var.sh t0006-duplication.sh
+XFAIL_TESTS=t0006-duplication.sh
+
 EXTRA_DIST = $(TESTS)