diff --git a/CLC-qthing/CyanLight.cpp b/CLC-qthing/CyanLight.cpp
index 351d0c90d017e8b84999e661ac675298fe3d1a96..3a00219cb08e894b58c0394b3fc4e7dfc34ad0e9 100644
--- a/CLC-qthing/CyanLight.cpp
+++ b/CLC-qthing/CyanLight.cpp
@@ -1,7 +1,11 @@
 #include "CyanLight.hpp"
 
+// C++ system level
 #include <cstdlib>  // TODO: was this for std::min() ?
 
+// ESP32 specific
+#include "esp_log.h"
+
 
 uint8_t MAX_CHANNELS = 8;