diff --git a/subsys/bluetooth/mesh/app_keys.c b/subsys/bluetooth/mesh/app_keys.c
index b47f122c7b2..119e1ed8137 100644
--- a/subsys/bluetooth/mesh/app_keys.c
+++ b/subsys/bluetooth/mesh/app_keys.c
@@ -445,7 +445,7 @@ ssize_t bt_mesh_app_keys_get(uint16_t net_idx, uint16_t app_idxs[], size_t max,
 
 int bt_mesh_keys_resolve(struct bt_mesh_msg_ctx *ctx,
 			 struct bt_mesh_subnet **sub,
-			 const uint8_t *app_key[16], uint8_t *aid)
+			 const uint8_t **app_key, uint8_t *aid)
 {
 	struct app_key *app = NULL;
 
diff --git a/subsys/bluetooth/mesh/app_keys.h b/subsys/bluetooth/mesh/app_keys.h
index 150679a8332..f3fba0d4591 100644
--- a/subsys/bluetooth/mesh/app_keys.h
+++ b/subsys/bluetooth/mesh/app_keys.h
@@ -41,7 +41,7 @@ int bt_mesh_app_key_set(uint16_t app_idx, uint16_t net_idx,
  */
 int bt_mesh_keys_resolve(struct bt_mesh_msg_ctx *ctx,
 			 struct bt_mesh_subnet **sub,
-			 const uint8_t *app_key[16], uint8_t *aid);
+			 const uint8_t **app_key, uint8_t *aid);
 
 /** @brief Iterate through all matching application keys and call @c cb on each.
  *