diff --git a/web_server.h b/web_server.h index 1bf4d1c08e60ddcbc851d222b939308515dc2b03..d453e63fa404f025b85e98ad8dee4538bac364cf 100644 --- a/web_server.h +++ b/web_server.h @@ -9,7 +9,9 @@ #include "config.h" #include "util.h" #include "co2_sensor.h" -#include "csv_writer.h" +#ifdef CSV_WRITER +# include "csv_writer.h" +#endif #ifdef MQTT # include "mqtt.h" #endif