diff --git a/src/server/gdb_server.c b/src/server/gdb_server.c
index 956a34706..487be6ce6 100644
--- a/src/server/gdb_server.c
+++ b/src/server/gdb_server.c
@@ -1408,7 +1408,7 @@ static int gdb_get_register_packet(struct connection *connection,
 	if ((reg_list_size <= reg_num) || !reg_list[reg_num] ||
 		!reg_list[reg_num]->exist || reg_list[reg_num]->hidden) {
 		LOG_ERROR("gdb requested a non-existing register (reg_num=%d)", reg_num);
-		return ERROR_SERVER_REMOTE_CLOSED;
+		return gdb_error(connection, ERROR_FAIL);
 	}
 
 	if (!reg_list[reg_num]->valid) {