diff --git a/packages/node_modules/@node-red/nodes/core/network/10-mqtt.html b/packages/node_modules/@node-red/nodes/core/network/10-mqtt.html
index acd2dc0c2..d554d9c49 100644
--- a/packages/node_modules/@node-red/nodes/core/network/10-mqtt.html
+++ b/packages/node_modules/@node-red/nodes/core/network/10-mqtt.html
@@ -357,7 +357,7 @@
             <div class="form-row mqtt5">
                 <label for="node-config-input-userProperties"><i class="fa fa-tag"></i> <span data-i18n="mqtt.label.userProperties"></span></label>
                 <input id="node-config-input-userPropertiesType" type="hidden">
-                <input type="number" id="node-config-input-userProperties" style="width: 70%;" data-i18n="[placeholder]mqtt.label.userProperties" placeholder="">
+                <input type="text" id="node-config-input-userProperties" style="width: 70%;" data-i18n="[placeholder]mqtt.label.userProperties" placeholder="">
             </div>            
             <div class="form-row mqtt5">
                 <label for="node-config-input-topicAliasMaximum"><i class="fa fa-tag"></i> <span data-i18n="mqtt.label.topicAliasMaximum"></span></label>