diff --git a/library.properties b/library.properties
index 4f0255c..976c8ab 100644
--- a/library.properties
+++ b/library.properties
@@ -1,5 +1,5 @@
 name=TFMini
-version=0.1.0
+version=0.1.1
 author=Peter Jansen <upontheturtlesback@gmail.com>
 maintainer=Peter Jansen <upontheturtlesback@gmail.com>
 sentence=An Arduino driver for the Benewake TFMini time-of-flight distance sensor.
diff --git a/src/TFMini.cpp b/src/TFMini.cpp
index b772460..3e94f43 100644
--- a/src/TFMini.cpp
+++ b/src/TFMini.cpp
@@ -174,7 +174,7 @@ int TFMini::takeMeasurement() {
     frame[i] = streamPtr->read();
 
     // Store running checksum
-    if (i < TFMINI_FRAME_SIZE-2) {
+    if (i < TFMINI_FRAME_SIZE-1) {
       checksum += frame[i];
     }
   }