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-rw-r--r--src/plugins/nat/nat44-ed/nat44_ed_api.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/plugins/nat/nat44-ed/nat44_ed_api.c b/src/plugins/nat/nat44-ed/nat44_ed_api.c
index ea29514d729..56e29601f35 100644
--- a/src/plugins/nat/nat44-ed/nat44_ed_api.c
+++ b/src/plugins/nat/nat44-ed/nat44_ed_api.c
@@ -590,7 +590,7 @@ static void
}
sw_if_index = clib_net_to_host_u32 (mp->external_sw_if_index);
- if (sw_if_index)
+ if (sw_if_index != ~0)
{
flags |= NAT_SM_FLAG_SWITCH_ADDRESS;
}