diff --git a/packages/node_modules/@node-red/nodes/core/common/24-complete.html b/packages/node_modules/@node-red/nodes/core/common/24-complete.html
index b2d406bb5..2f68a0fcf 100644
--- a/packages/node_modules/@node-red/nodes/core/common/24-complete.html
+++ b/packages/node_modules/@node-red/nodes/core/common/24-complete.html
@@ -18,7 +18,16 @@
         color:"#c0edc0",
         defaults: {
             name: {value:""},
-            scope: {value:[], type:"*[]"},
+            scope: {
+                value: [],
+                type: "*[]",
+                validate: function (v, opt) {
+                    if (v.length > 0) {
+                        return true;
+                    }
+                    return RED._("node-red:complete.errors.scopeUndefined");
+                }
+            },
             uncaught: {value:false}
         },
         inputs:0,
diff --git a/packages/node_modules/@node-red/nodes/locales/en-US/messages.json b/packages/node_modules/@node-red/nodes/locales/en-US/messages.json
index 7fcd5eadc..a683b1552 100644
--- a/packages/node_modules/@node-red/nodes/locales/en-US/messages.json
+++ b/packages/node_modules/@node-red/nodes/locales/en-US/messages.json
@@ -119,7 +119,10 @@
         }
     },
     "complete": {
-        "completeNodes": "complete: __number__"
+        "completeNodes": "complete: __number__",
+        "errors": {
+            "scopeUndefined": "scope undefined"
+        }
     },
     "debug": {
         "output": "Output",
diff --git a/packages/node_modules/@node-red/nodes/locales/ja/messages.json b/packages/node_modules/@node-red/nodes/locales/ja/messages.json
index b7fa20b02..cc93e92b1 100644
--- a/packages/node_modules/@node-red/nodes/locales/ja/messages.json
+++ b/packages/node_modules/@node-red/nodes/locales/ja/messages.json
@@ -119,7 +119,10 @@
         }
     },
     "complete": {
-        "completeNodes": "complete: __number__"
+        "completeNodes": "complete: __number__",
+        "errors": {
+            "scopeUndefined": "スコープが未定義"
+        }
     },
     "debug": {
         "output": "対象",