diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1de646e7..1fc50560 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -15,6 +15,7 @@ set(FastLED_SRCS
   src/platforms.cpp
   src/power_mgt.cpp
   src/wiring.cpp
+  src/platforms/esp/32/clockless_rmt_esp32.cpp
   )
 
 idf_component_register(SRCS ${FastLED_SRCS}