diff --git a/node-red-node-wot/package.json b/node-red-node-wot/package.json
index 50e1d95..9987ae9 100644
--- a/node-red-node-wot/package.json
+++ b/node-red-node-wot/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@thingweb/node-red-node-wot",
-  "version": "1.2.1",
+  "version": "1.2.2",
   "description": "Web of Things nodes for Node-RED using node-wot",
   "author": "Eclipse Thingweb <thingweb-dev@eclipse.org> (https://thingweb.io/)",
   "license": "MIT",
diff --git a/node-red-node-wot/plugin-resources-src/node-wot-plugin-lib.ts b/node-red-node-wot/plugin-resources-src/node-wot-plugin-lib.ts
index 6d53720..0ce0992 100644
--- a/node-red-node-wot/plugin-resources-src/node-wot-plugin-lib.ts
+++ b/node-red-node-wot/plugin-resources-src/node-wot-plugin-lib.ts
@@ -14,7 +14,7 @@ const DATATYPES = {
     },
     boolean: {
         inputMode: "text",
-        typeConvert: "String",
+        typeConvert: "JSON.parse",
     },
     object: {
         inputMode: "textarea",
@@ -88,6 +88,7 @@ export const createClientFlowUsingDashboard = (tdString: string, existedNodes: a
                 ...commonParams,
                 propertyName,
                 propertyDescription: tdProperty.description,
+                propertyObserve: tdProperty.observable,
                 inputMode: DATATYPES[tdProperty.type || "propertyTypeNull"].inputMode,
                 convert: DATATYPES[tdProperty.type || "propertyTypeNull"].typeConvert,
             }
@@ -595,7 +596,7 @@ const PROPERTY_READ_TEMP = `[
         "thing": "<%common-genid(1)%>",
         "property": "<%propertyName%>",
         "uriVariables": "{}",
-        "observe": true,
+        "observe": <%propertyObserve%>,
         "x": 480,
         "y": <%y1%>,
         "wires": [
diff --git a/node-red-node-wot/src/wot-property.html b/node-red-node-wot/src/wot-property.html
index 10ac7a0..d6cb3b2 100644
--- a/node-red-node-wot/src/wot-property.html
+++ b/node-red-node-wot/src/wot-property.html
@@ -37,7 +37,19 @@
             $("div#property-row").hide()
 
             $("#node-input-property").change(function () {
-                let property = this.value
+                showOrHideObserveCheckbox()
+            })
+
+            $("select#node-input-thing").change(function () {
+                if (this.value !== "_ADD_") {
+                    showOptions()
+                } else {
+                    hideOptions()
+                }
+            })
+
+            function showOrHideObserveCheckbox() {
+                let property = $("#node-input-property").val()
                 let thingID = $("select#node-input-thing").val()
                 if (thingID) {
                     RED.nodes.eachConfig((config) => {
@@ -46,20 +58,13 @@
                             if (properties[property] && properties[property].observable) {
                                 $("div#property-observe").show()
                             } else {
+                                $("#node-input-observe").removeAttr("checked").prop("checked", false).change()
                                 $("div#property-observe").hide()
                             }
                         }
                     })
                 }
-            })
-
-            $("select#node-input-thing").change(function () {
-                if (this.value !== "_ADD_") {
-                    showOptions()
-                } else {
-                    hideOptions()
-                }
-            })
+            }
 
             function showOptions() {
                 let thingID = $("select#node-input-thing").val()
@@ -86,6 +91,7 @@
                             })
                             // Show containing div
                             $("div#property-row").show()
+                            showOrHideObserveCheckbox()
                         }
                     })
                 }