diff --git a/src/bpf_helpers.h b/src/bpf_helpers.h
index 112b150..cd17f6d 100644
--- a/src/bpf_helpers.h
+++ b/src/bpf_helpers.h
@@ -193,6 +193,7 @@ enum libbpf_tristate {
 #define __arg_nonnull __attribute((btf_decl_tag("arg:nonnull")))
 #define __arg_nullable __attribute((btf_decl_tag("arg:nullable")))
 #define __arg_trusted __attribute((btf_decl_tag("arg:trusted")))
+#define __arg_arena __attribute((btf_decl_tag("arg:arena")))
 
 #ifndef ___bpf_concat
 #define ___bpf_concat(a, b) a ## b