diff --git a/c_gen/templates/loci_show.h b/c_gen/templates/loci_show.h
index b21665d..88fd029 100644
--- a/c_gen/templates/loci_show.h
+++ b/c_gen/templates/loci_show.h
@@ -406,5 +406,6 @@
 #define LOCI_SHOW_u8_dscp(writer, cookie, val) LOCI_SHOW_u8(writer, cookie, val)
 #define LOCI_SHOW_u8_ttl(writer, cookie, val) LOCI_SHOW_u8(writer, cookie, val)
 #define LOCI_SHOW_u32_vpn(writer, cookie, val) LOCI_SHOW_u32(writer, cookie, val)
+#define LOCI_SHOW_u32_flags(writer, cookie, val) LOCI_SHOW_u32(writer, cookie, val)
 
 #endif /* _LOCI_SHOW_H_ */