diff --git a/dsdl/uavcan/protocol/553.GetProtocolStatistics.uavcan b/dsdl/uavcan/protocol/553.GetProtocolStatistics.uavcan
deleted file mode 100644
index e015bc17b8..0000000000
--- a/dsdl/uavcan/protocol/553.GetProtocolStatistics.uavcan
+++ /dev/null
@@ -1,15 +0,0 @@
-#
-# Get protocol statistics for CAN and UAVCAN.
-#
-
----
-
-# UAVCAN transport layer statistics
-uint64 transfers_tx
-uint64 transfers_rx
-uint32 transfers_rx_errors
-
-# CAN bus statistics, for each interface independently
-uint64[<=3] can_frames_tx
-uint64[<=3] can_frames_rx
-uint64[<=3] can_frames_errors
diff --git a/dsdl/uavcan/protocol/553.GetTransportStats.uavcan b/dsdl/uavcan/protocol/553.GetTransportStats.uavcan
new file mode 100644
index 0000000000..247891097e
--- /dev/null
+++ b/dsdl/uavcan/protocol/553.GetTransportStats.uavcan
@@ -0,0 +1,13 @@
+#
+# Get transport statistics.
+#
+
+---
+
+# UAVCAN transport layer statistics
+uint64 transfers_tx
+uint64 transfers_rx
+uint64 transfer_errors
+
+# CAN bus statistics, for each interface independently
+CanIfaceStats[<=3] can_iface_stats
diff --git a/dsdl/uavcan/protocol/CanIfaceStats.uavcan b/dsdl/uavcan/protocol/CanIfaceStats.uavcan
new file mode 100644
index 0000000000..23089db283
--- /dev/null
+++ b/dsdl/uavcan/protocol/CanIfaceStats.uavcan
@@ -0,0 +1,7 @@
+#
+# Single CAN iface statistics
+#
+
+uint64 frames_tx
+uint64 frames_rx
+uint64 errors