diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_debugdump.c b/drivers/net/ethernet/netronome/nfp/nfp_net_debugdump.c
index 2dd37557185e..7276e44a21d0 100644
--- a/drivers/net/ethernet/netronome/nfp/nfp_net_debugdump.c
+++ b/drivers/net/ethernet/netronome/nfp/nfp_net_debugdump.c
@@ -41,6 +41,8 @@ struct nfp_dump_tl {
 	);
 	char data[];
 };
+static_assert(offsetof(struct nfp_dump_tl, data) == sizeof(struct nfp_dump_tl_hdr),
+	      "struct member likely outside of struct_group_tagged()");
 
 /* NFP CPP parameters */
 struct nfp_dumpspec_cpp_isl_id {