diff --git a/packages/node_modules/@node-red/nodes/core/function/10-function.html b/packages/node_modules/@node-red/nodes/core/function/10-function.html
index fc57895a2..a647bed49 100644
--- a/packages/node_modules/@node-red/nodes/core/function/10-function.html
+++ b/packages/node_modules/@node-red/nodes/core/function/10-function.html
@@ -451,7 +451,8 @@
             tabs.activateTab("func-tab-body");
 
             $( "#node-input-outputs" ).spinner({
-                min:0,
+                min: 0,
+                max: 10,
                 change: function(event, ui) {
                     var value = this.value;
                     if (!value.match(/^\d+$/)) { value = 1;  }