diff --git a/src/vnet/mfib/mfib_entry.c b/src/vnet/mfib/mfib_entry.c
index f1b6e8e..acbe90b 100644
--- a/src/vnet/mfib/mfib_entry.c
+++ b/src/vnet/mfib/mfib_entry.c
@@ -465,6 +465,7 @@
     case FIB_FORW_CHAIN_TYPE_MPLS_NON_EOS:
     case FIB_FORW_CHAIN_TYPE_MPLS_EOS:
     case FIB_FORW_CHAIN_TYPE_ETHERNET:
+    case FIB_FORW_CHAIN_TYPE_NSH:
         ASSERT(0);
         break;
     }