diff --git a/src/js/debug.js b/src/js/debug.js
index c15043eea5..c33832512b 100644
--- a/src/js/debug.js
+++ b/src/js/debug.js
@@ -583,6 +583,7 @@ const DEBUG = {
             'debug[4]':'Minimum Gyro period in 100th of a us',
             'debug[5]':'Maximum Gyro period in 100th of a us',
             'debug[6]':'Span of Gyro period in 100th of a us',
+            'debug[7]':'Gyro cycle deviation in 100th of a us',
         },
         'TIMING_ACCURACY' : {
             'debug[all]':'Timing Accuracy',