diff --git a/src/js/tabs/pid_tuning.js b/src/js/tabs/pid_tuning.js
index bcd6d09c..c8ac1c3c 100644
--- a/src/js/tabs/pid_tuning.js
+++ b/src/js/tabs/pid_tuning.js
@@ -431,6 +431,8 @@ TABS.pid_tuning.initialize = function (callback) {
             self.changeRatesType(self.currentRatesType); // update rate type code when updating the tab
 
         } else {
+            self.currentRatesType = null;
+            self.previousRatesType = null;
             $('.rates_type').hide();
         }