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-rw-r--r--src/build.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/build.c b/src/build.c
index a2901b1..7d4ef12 100644
--- a/src/build.c
+++ b/src/build.c
@@ -357,4 +357,6 @@ void exp2msg(const struct nf_expect *exp, struct nethdr *n)
exp_build_u32(exp, ATTR_EXP_NAT_DIR, n, NTA_EXP_NAT_DIR);
}
exp_build_str(exp, ATTR_EXP_HELPER_NAME, n, NTA_EXP_HELPER_NAME);
+ if (nfexp_attr_is_set(exp, ATTR_EXP_FN))
+ exp_build_str(exp, ATTR_EXP_FN, n, NTA_EXP_FN);
}