diff --git a/net/bird2/files/patch-nest_route.h b/net/bird2/files/patch-nest_route.h
new file mode 100644
index 000000000000..e7683afb3721
--- /dev/null
+++ b/net/bird2/files/patch-nest_route.h
@@ -0,0 +1,11 @@
+--- nest/route.h.orig	2020-08-20 21:16:52 UTC
++++ nest/route.h
+@@ -458,7 +458,7 @@ typedef struct rta {
+ 					   protocol-specific metric is availabe */
+ 
+ 
+-const char * rta_dest_names[RTD_MAX];
++extern const char * rta_dest_names[RTD_MAX];
+ 
+ static inline const char *rta_dest_name(uint n)
+ { return (n < RTD_MAX) ? rta_dest_names[n] : "???"; }