diff --git a/README.md b/README.md
index e9a366b..9f4228e 100644
--- a/README.md
+++ b/README.md
@@ -82,7 +82,7 @@ git clone https://github.com/limosek/zaf.git \
  && git checkout master \
  && git clone https://github.com/limosek/zaf-plugins.git \
  && make deb PLUGINS="./zaf-plugins/fsx" IPLUGINS="zaf" ZAF_OPTIONS="ZAF_GIT=0" AGENT_OPTIONS="Z_Server=zabbix.server Z_ServerActive=zabbix.server Z_StartAgents=8"
-sudo dpkg -i out/zaf-1.1master.deb
+sudo dpkg -i out/zaf-1.2master.deb
 ```
 General usage:
 ```
@@ -124,7 +124,7 @@ During plugin installation, zaf will check all dependencies, do install binaries
 Zaf binary can be installed on any system from openwrt to big system. It has minimal dependencies and is shell based. Is has minimal size (up to 50kb of code). It can be used for installing, removing and testing zaf plugin items. Zaf should be run as root.
 ```
 zaf
-zaf Version 1.1master. Please use some of this commands:
+zaf Version 1.2master. Please use some of this commands:
 zaf update			To update repo
 zaf plugins			To list installed plugins
 zaf show [plugin]		To show installed plugins or plugin info
diff --git a/lib/ctrl.lib.sh b/lib/ctrl.lib.sh
index 975f6e4..e5ee3f6 100644
--- a/lib/ctrl.lib.sh
+++ b/lib/ctrl.lib.sh
@@ -55,11 +55,13 @@ zaf_block_get_option() {
 # $1 - control file
 # $2 - option name
 zaf_ctrl_get_global_option() {
+	local ctrlvar
 	local ctrlopt
 
-	eval ctrlopt=\$ZAF_CTRL_$(echo $2| tr '-' '_')
-	if [ -n "$ctrlopt" ]; then
-		zaf_wrn "Overriding $2 from env"
+	ctrlopt="ZAF_CTRL_$(zaf_stripctrl $2)"
+	eval ctrlvar=\$$ctrlopt
+	if [ -n "$ctrlvar" ]; then
+		zaf_dbg "Overriding control field $2 from env $ctrlopt($ctrlvar)"
 		echo $ctrlopt
 	else
 		zaf_ctrl_get_global_block <$1 | zaf_block_get_moption "$2" \
@@ -71,11 +73,13 @@ zaf_ctrl_get_global_option() {
 # $2 - item name
 # $3 - option name
 zaf_ctrl_get_item_option() {
+	local ctrlvar
 	local ctrlopt
 
-	eval ctrlopt=\$ZAF_CTRL_$2_$(echo $3| tr '-' '_')
-	if [ -n "$ctrlopt" ]; then
-		zaf_wrn "Overriding item $2 option $3 from env"
+	ctrlopt="ZAF_CTRLI_$(zaf_stripctrl $2)_$(zaf_stripctrl $3)"
+	eval ctrlvar=\$$ctrlopt
+	if [ -n "$ctrlvar" ]; then
+		zaf_dbg "Overriding item control field $2/$3 from env $ctrlopt($ctrlvar)"
 		echo $ctrlopt
 	else
 		zaf_ctrl_get_item_block <$1 "$2" | zaf_block_get_moption "$3" \
@@ -188,7 +192,7 @@ zaf_ctrl_generate_cfg() {
 	items=$(zaf_ctrl_get_items <"$1")
 	(set -e
 	for i in $items; do
-            iscript=$(echo $i | tr -d '[]*&;:')
+            iscript=$(zaf_stripctrl $i)
 	    params=$(zaf_ctrl_get_item_option $1 $i "Parameters")
 	    if [ -n "$params" ]; then
 		ikey="$2.$i[*]"
diff --git a/lib/zaf.lib.sh b/lib/zaf.lib.sh
index db71851..ab51cc0 100644
--- a/lib/zaf.lib.sh
+++ b/lib/zaf.lib.sh
@@ -1,6 +1,6 @@
 
 # Hardcoded variables
-ZAF_VERSION="1.1"
+ZAF_VERSION="1.2"
 ZAF_GITBRANCH="master"
 ZAF_URL="https://github.com/limosek/zaf"
 ZAF_RAW_URL="https://raw.githubusercontent.com/limosek/zaf"
@@ -426,3 +426,9 @@ zaf_toupper() {
 	tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'
 }
 
+# Return simplified key with discarded special chars.
+zaf_stripctrl() {
+	echo $1 | tr '[]*&;:.-' '________'
+}
+
+
diff --git a/zaf b/zaf
index 9388cbd..d03009c 100755
--- a/zaf
+++ b/zaf
@@ -312,7 +312,7 @@ api)
 
 *)
 	echo "$0 Version ${ZAF_VERSION}. Please use some of this commands:"
-	echo "$0 Cmd [ZAF_OPTION=value] [ZAF_CTRL_Option=value] ..."
+	echo "$0 Cmd [ZAF_OPTION=value] [ZAF_CTRL_Option=value] [ZAF_CTRLI_Item_Option=value] ..."
 	echo "Commands:"
 	echo "$0 update			To update repo (not plugins, similar to apt-get update)"
 	echo "$0 upgrade		To upgrade installed plugins from repo"