diff --git a/src/modules/uavcan/uavcan_clock.cpp b/src/modules/uavcan/uavcan_clock.cpp
index e41d5f953b..fe8ba406a5 100644
--- a/src/modules/uavcan/uavcan_clock.cpp
+++ b/src/modules/uavcan/uavcan_clock.cpp
@@ -62,6 +62,8 @@ void adjustUtc(uavcan::UtcDuration adjustment)
 	(void)adjustment;
 }
 
+uavcan::uint64_t getUtcUSecFromCanInterrupt();
+
 uavcan::uint64_t getUtcUSecFromCanInterrupt()
 {
 	return 0;
diff --git a/uavcan b/uavcan
index c7872def16..c4c14c60fb 160000
--- a/uavcan
+++ b/uavcan
@@ -1 +1 @@
-Subproject commit c7872def16e82a8b318d571829fe9622e2d35ff0
+Subproject commit c4c14c60fbbd9acd281ee97d5bb2a4027d0ae2d9