diff --git a/api-generator/components/splitbutton.js b/api-generator/components/splitbutton.js
index e83b7f907..669b43666 100644
--- a/api-generator/components/splitbutton.js
+++ b/api-generator/components/splitbutton.js
@@ -94,6 +94,12 @@ const SplitButtonProps = [
         type: 'string',
         default: 'null',
         description: 'Defines the size of the button, valid values are "small" and "large".'
+    },
+    {
+        name: 'plain',
+        type: 'boolean',
+        default: 'false',
+        description: 'Add a plain textual class to the button without a background initially.'
     }
 ];
 
diff --git a/components/splitbutton/SplitButton.d.ts b/components/splitbutton/SplitButton.d.ts
index 866d4860a..543805207 100755
--- a/components/splitbutton/SplitButton.d.ts
+++ b/components/splitbutton/SplitButton.d.ts
@@ -96,6 +96,11 @@ export interface SplitButtonProps {
      * Defines the size of the button.
      */
     size?: 'small' | 'large' | undefined;
+    /**
+     * Add a plain textual class to the button without a background initially.
+     * @defaultValue false
+     */
+    plain?: boolean | undefined;
 }
 
 /**
diff --git a/components/splitbutton/SplitButton.vue b/components/splitbutton/SplitButton.vue
index 023a7f55a..eca0f8458 100755
--- a/components/splitbutton/SplitButton.vue
+++ b/components/splitbutton/SplitButton.vue
@@ -100,6 +100,10 @@ export default {
         size: {
             type: String,
             default: null
+        },
+        plain: {
+            type: Boolean,
+            default: false
         }
     },
     data() {