diff --git a/libraries/AP_HAL_Empty/UARTDriver.cpp b/libraries/AP_HAL_Empty/UARTDriver.cpp
index a8d205e7fe8..f740923597e 100644
--- a/libraries/AP_HAL_Empty/UARTDriver.cpp
+++ b/libraries/AP_HAL_Empty/UARTDriver.cpp
@@ -24,7 +24,7 @@ ssize_t Empty::UARTDriver::_read(uint8_t *buffer, uint16_t size)
 }
 
 #if HAL_UART_STATS_ENABLED
-void Empty::UARTDriver::uart_info(ExpandingString &str)
+void Empty::UARTDriver::uart_info(ExpandingString &str, StatsTracker &stats, const uint32_t dt_ms)
 {
     str.printf("EMPTY\n");
 }
diff --git a/libraries/AP_HAL_Empty/UARTDriver.h b/libraries/AP_HAL_Empty/UARTDriver.h
index a4fc42ad79b..ed297a3e8bb 100644
--- a/libraries/AP_HAL_Empty/UARTDriver.h
+++ b/libraries/AP_HAL_Empty/UARTDriver.h
@@ -15,7 +15,7 @@ public:
 
 #if HAL_UART_STATS_ENABLED
     // request information on uart I/O for one uart
-    void uart_info(ExpandingString &str) override;
+    void uart_info(ExpandingString &str, StatsTracker &stats, const uint32_t dt_ms) override;
 #endif
 
 protected: