diff --git a/library.properties b/library.properties
index f8a1387..a14313e 100644
--- a/library.properties
+++ b/library.properties
@@ -1,5 +1,5 @@
 name=RadiationWatch
-version=0.6.0
+version=0.6.1
 author=puuu, thomasaw, Tourmal, Yoan Tournade <yoan@ytotech.com>
 maintainer=Yoan Tournade <yoan@ytotech.com>
 sentence=Arduino driver for Radiation Watch Pocket Geiger sensor
diff --git a/src/RadiationWatch.cpp b/src/RadiationWatch.cpp
index 62dadd8..59172ae 100644
--- a/src/RadiationWatch.cpp
+++ b/src/RadiationWatch.cpp
@@ -47,6 +47,9 @@ void RadiationWatch::setup()
   // Initialize _countHistory[].
   for(int i = 0; i < HISTORY_LENGTH; i++)
     _countHistory[i] = 0;
+  _count = 0;
+  historyIndex = 0;
+  historyLength = 0;
   // Init measurement time.
   previousTime = millis();
   previousHistoryTime = millis();