diff --git a/libraries/AP_RangeFinder/AP_RangeFinder.cpp b/libraries/AP_RangeFinder/AP_RangeFinder.cpp
index ddde2a2612..7daf3c065c 100644
--- a/libraries/AP_RangeFinder/AP_RangeFinder.cpp
+++ b/libraries/AP_RangeFinder/AP_RangeFinder.cpp
@@ -224,7 +224,7 @@ void RangeFinder::convert_params(void) {
     info.old_key = 53;
 #elif APM_BUILD_TYPE(APM_BUILD_ArduSub)
     info.old_key = 35;
-#elif APM_BUILD_TYPE(APM_BUILD_APMrover2)
+#elif APM_BUILD_TYPE(APM_BUILD_Rover)
     info.old_key = 197;
 #else
     params[0].type.save(true);