diff --git a/helium-mapper/decoder.js b/helium-mapper/decoder.js
index 1f6cbfa..5d432f8 100644
--- a/helium-mapper/decoder.js
+++ b/helium-mapper/decoder.js
@@ -25,6 +25,6 @@ function Decoder(bytes, port) {
 		latitude  : Bytes2Float32(latitude),
 		longitude : Bytes2Float32(longitude),
 		altitude  : Math.round(Bytes2Float32(altitude)),
-		accuracy  : Bytes2Float32(altitude),
+		accuracy  : Bytes2Float32(accuracy),
 	};
-}
\ No newline at end of file
+}