diff --git a/base/sources/iron_armpack.c b/base/sources/iron_armpack.c
index 5ad0a657..d4603632 100644
--- a/base/sources/iron_armpack.c
+++ b/base/sources/iron_armpack.c
@@ -874,3 +874,10 @@ int armpack_map_get_i32(any_map_t *map, char *key) {
 	}
 	return ps.type == 1 ? ps.i : (int)ps.f;
 }
+
+void armpack_map_set_i32(any_map_t *map, char *key, int value) {
+	ptr_storage_t s;
+	s.i    = value;
+	s.type = 1;
+	any_map_set(map, key, s.p);
+}
diff --git a/base/sources/iron_armpack.h b/base/sources/iron_armpack.h
index 5a936bef..4c0148c0 100644
--- a/base/sources/iron_armpack.h
+++ b/base/sources/iron_armpack.h
@@ -39,6 +39,7 @@ any_map_t *armpack_decode_to_map(buffer_t *b);
 char      *armpack_decode_to_json(buffer_t *b);
 float      armpack_map_get_f32(any_map_t *map, char *key);
 int        armpack_map_get_i32(any_map_t *map, char *key);
+void       armpack_map_set_i32(any_map_t *map, char *key, int value);
 
 void armpack_write_u8(uint8_t i);
 void armpack_write_i16(int16_t i);