diff --git a/platforms/W800/Makefile b/platforms/W800/Makefile
index 9c8874db0..a5cf216e8 100644
--- a/platforms/W800/Makefile
+++ b/platforms/W800/Makefile
@@ -62,6 +62,8 @@ CSRCS += $(_SHARED_APP)/tiny_crc8.c
 CSRCS += $(_SHARED_APP)/driver/drv_main.c
 CSRCS += $(_SHARED_APP)/driver/drv_ds1820_simple.c
 CSRCS += $(_SHARED_APP)/driver/drv_charts.c
+CSRCS += $(_SHARED_APP)/driver/drv_dht.c
+CSRCS += $(_SHARED_APP)/driver/drv_dht_internal.c
 CSRCS += $(_SHARED_APP)/user_main.c
 CSRCS += main.c