diff --git a/libuavcan/src/transport/uc_frame.cpp b/libuavcan/src/transport/uc_frame.cpp
index a732adf84d..087893cb9f 100644
--- a/libuavcan/src/transport/uc_frame.cpp
+++ b/libuavcan/src/transport/uc_frame.cpp
@@ -4,6 +4,7 @@
 
 #include <uavcan/transport/frame.hpp>
 #include <uavcan/transport/can_io.hpp>
+#include <uavcan/debug.hpp>
 #include <cassert>
 
 namespace uavcan