diff --git a/COMPONENT_INDEX.md b/COMPONENT_INDEX.md
index 97c72364..cc494c10 100644
--- a/COMPONENT_INDEX.md
+++ b/COMPONENT_INDEX.md
@@ -1643,9 +1643,9 @@ None.
 
 ### Slots
 
-| Slot name | Default | Props | Fallback                                              |
-| :-------- | :------ | :---- | :---------------------------------------------------- |
-| --        | Yes     | --    | <code>&lt;svelte:component this="{icon}" /&gt;</code> |
+| Slot name | Default | Props | Fallback                                                        |
+| :-------- | :------ | :---- | :-------------------------------------------------------------- |
+| --        | Yes     | --    | <code>&lt;svelte:component this="{icon}" size={20} /&gt;</code> |
 
 ### Events
 
diff --git a/docs/src/COMPONENT_API.json b/docs/src/COMPONENT_API.json
index bf88d61d..8ac9b70f 100644
--- a/docs/src/COMPONENT_API.json
+++ b/docs/src/COMPONENT_API.json
@@ -4669,7 +4669,7 @@
         {
           "name": "__default__",
           "default": true,
-          "fallback": "<svelte:component this=\"{icon}\" />",
+          "fallback": "<svelte:component this=\"{icon}\" size={20} />",
           "slot_props": "{}"
         }
       ],
diff --git a/src/UIShell/HeaderGlobalAction.svelte b/src/UIShell/HeaderGlobalAction.svelte
index db0cbc80..22cd93f1 100644
--- a/src/UIShell/HeaderGlobalAction.svelte
+++ b/src/UIShell/HeaderGlobalAction.svelte
@@ -21,6 +21,6 @@
   on:click
 >
   <slot>
-    <svelte:component this="{icon}" />
+    <svelte:component this="{icon}" size="{20}" />
   </slot>
 </button>