diff --git a/packages/node_modules/@node-red/editor-client/src/js/ui/common/typedInput.js b/packages/node_modules/@node-red/editor-client/src/js/ui/common/typedInput.js
index 187dc066c..41c731e3b 100644
--- a/packages/node_modules/@node-red/editor-client/src/js/ui/common/typedInput.js
+++ b/packages/node_modules/@node-red/editor-client/src/js/ui/common/typedInput.js
@@ -583,7 +583,7 @@
             var height = relativeTo.height();
             var menuHeight = menu.height();
             var top = (height+pos.top);
-            if (top+menuHeight > $(window).height()) {
+            if (top+menuHeight-$(document).scrollTop() > $(window).height()) {
                 top -= (top+menuHeight)-$(window).height()+5;
             }
             if (top < 0) {
@@ -692,8 +692,10 @@
             });
             if (this.typeList.length < 2) {
                 this.selectTrigger.attr("tabindex", -1)
+                this.selectTrigger.on("mousedown.red-ui-typedInput-focus-block", function(evt) { evt.preventDefault(); })
             } else {
                 this.selectTrigger.attr("tabindex", 0)
+                this.selectTrigger.off("mousedown.red-ui-typedInput-focus-block")
             }
             this.selectTrigger.toggleClass("disabled", this.typeList.length === 1);
             this.selectTrigger.find(".fa-caret-down").toggle(this.typeList.length > 1)
@@ -707,6 +709,11 @@
                 this.propertyType = null;
                 this.type(currentType);
             }
+            if (this.typeList.length === 1 && !this.typeList[0].icon && (!this.typeList[0].label || this.typeList[0].showLabel === false)) {
+                this.selectTrigger.hide()
+            } else {
+                this.selectTrigger.show()
+            }
         },
         width: function(desiredWidth) {
             this.uiWidth = desiredWidth;