diff --git a/src/components/markdown_editor/plugins/markdown_default_plugins/processing_plugins.tsx b/src/components/markdown_editor/plugins/markdown_default_plugins/processing_plugins.tsx
index d770f2c415d..51e87c2ccec 100644
--- a/src/components/markdown_editor/plugins/markdown_default_plugins/processing_plugins.tsx
+++ b/src/components/markdown_editor/plugins/markdown_default_plugins/processing_plugins.tsx
@@ -52,7 +52,7 @@ export type DefaultEuiMarkdownProcessingPlugins = [
 
 export const getDefaultEuiMarkdownProcessingPlugins = ({
   exclude,
-}: { exclude?: Array<'tooltip'> } = {}) => {
+}: { exclude?: Array<'tooltip'> } = {}): DefaultEuiMarkdownProcessingPlugins => {
   const excludeSet = new Set(exclude);
 
   const plugins: DefaultEuiMarkdownProcessingPlugins = [