diff --git a/libraries/AP_RangeFinder/examples/RFIND_test/RFIND_test.cpp b/libraries/AP_RangeFinder/examples/RFIND_test/RFIND_test.cpp
index 2cb6c5fb06..a281962e1b 100644
--- a/libraries/AP_RangeFinder/examples/RFIND_test/RFIND_test.cpp
+++ b/libraries/AP_RangeFinder/examples/RFIND_test/RFIND_test.cpp
@@ -4,6 +4,12 @@
 
 #include <AP_HAL/AP_HAL.h>
 #include <AP_RangeFinder/AP_RangeFinder_Backend.h>
+#include <GCS_MAVLink/GCS_Dummy.h>
+
+const struct AP_Param::GroupInfo        GCS_MAVLINK_Parameters::var_info[] = {
+    AP_GROUPEND
+};
+GCS_Dummy _gcs;
 
 void setup();
 void loop();