diff --git a/CHANGELOG.md b/CHANGELOG.md
index 02653d4..e208d5b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+# 0.5.2 - 01/11/2017
+- Fix problem inconsistent return value in drv_rain_sensor_get
+- Fix get parameter in event script sendmail.sh
+
 # 0.5.1 - 28/10/2017
 - Added events managemets
 - Added support for zones not subject to rainfall (with parameter EVx_NORAIN)
diff --git a/include/drv.include.sh b/include/drv.include.sh
index 90be5a7..d904ff2 100644
--- a/include/drv.include.sh
+++ b/include/drv.include.sh
@@ -294,7 +294,7 @@ function drv_rain_sensor_get {
 
 	# Nessun driver definito, esegue la lettura del sensore tramite gpio del raspberry
 	if [ -z "$fnc" ]; then
-		val=`$GPIO -g read $idx`
+		vret=`$GPIO -g read $idx`
 	# Il driver definito non è stato trovato
 	elif [ "$fnc" == "drvnotfound" ]; then
 	        log_write "Driver not found: $idx"
diff --git a/piGarden.sh b/piGarden.sh
index 079bcff..9f12093 100755
--- a/piGarden.sh
+++ b/piGarden.sh
@@ -782,7 +782,7 @@ function debug2 {
 
 VERSION=0
 SUB_VERSION=5
-RELEASE_VERSION=1
+RELEASE_VERSION=3
 
 DIR_SCRIPT=`dirname $0`
 NAME_SCRIPT=${0##*/}