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..af79901d268 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 +52,9 @@ export type DefaultEuiMarkdownProcessingPlugins = [
 
 export const getDefaultEuiMarkdownProcessingPlugins = ({
   exclude,
-}: { exclude?: Array<'tooltip'> } = {}) => {
+}: {
+  exclude?: Array<'tooltip'>;
+} = {}): DefaultEuiMarkdownProcessingPlugins => {
   const excludeSet = new Set(exclude);
 
   const plugins: DefaultEuiMarkdownProcessingPlugins = [
diff --git a/upcoming_changelogs/7221.md b/upcoming_changelogs/7221.md
new file mode 100644
index 00000000000..125aaf50655
--- /dev/null
+++ b/upcoming_changelogs/7221.md
@@ -0,0 +1,4 @@
+**Bug fixes**
+
+- Fixed a missing type in `EuiMarkdownEditor`'s default processing plugins
+