diff --git a/src/tsg_entry.h b/src/tsg_entry.h
index c35feb8..cfe06ce 100644
--- a/src/tsg_entry.h
+++ b/src/tsg_entry.h
@@ -248,7 +248,7 @@ char *tsg_schema_index2string(tsg_protocol_t proto);
 struct Maat_rule_t *tsg_policy_decision_criteria(struct streaminfo *a_stream, Maat_rule_t *result, int result_num, struct _identify_info *identify_info, int thread_seq);
 int tsg_scan_shared_policy(Maat_feather_t maat_feather, struct streaminfo *a_stream, struct identify_info *identify_info, Maat_rule_t *result, int result_num, scan_status_t *mid, int thread_seq);
 int tsg_scan_app_id_policy(Maat_feather_t maat_feather, const struct streaminfo *a_stream, struct Maat_rule_t *result, int result_num, scan_status_t *mid, char *name, unsigned int id, int thread_seq);
-int tsg_scan_app_properties_policy(Maat_feather_t maat_feather, const struct streaminfo *a_stream, struct Maat_rule_t *result, int result_num, scan_status_t *mid, char *property, char *district, int thread_seq);
+int tsg_scan_app_properties_policy(Maat_feather_t maat_feather, struct streaminfo *a_stream, struct Maat_rule_t *result, int result_num, scan_status_t *mid, char *property, char *district, int thread_seq);
 int tsg_scan_subscribe_id_policy(Maat_feather_t maat_feather, const struct streaminfo *a_stream, struct Maat_rule_t *result, int result_num, scan_status_t *mid, struct _subscribe_id_info_t *user_info, int thread_seq);
 
 #endif