diff --git a/CHANGELOG.md b/CHANGELOG.md
index 64e0533d79a..0ab6d173bd3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,7 @@
 - Added `BREAKPOINTS` and `getBreakpoint` utilities [#3578](https://github.com/elastic/eui/pull/3578))
 - Added `'any'` option to the `step` prop of the `EuiFieldNumber` ([#3562](https://github.com/elastic/eui/pull/3562))
 - Moved all `EuiHeader` SASS variables to `global_styles` ([#3592](https://github.com/elastic/eui/pull/3592))
+- Default `titleSize` get's implicitly set to 'm' for `EuiEmptyPrompt` ([#3598](https://github.com/elastic/eui/pull/3598))
 
 **Bug fixes**
 
diff --git a/src/components/empty_prompt/empty_prompt.tsx b/src/components/empty_prompt/empty_prompt.tsx
index 13ecda049ea..995f9b8beb4 100644
--- a/src/components/empty_prompt/empty_prompt.tsx
+++ b/src/components/empty_prompt/empty_prompt.tsx
@@ -47,7 +47,7 @@ export const EuiEmptyPrompt: FunctionComponent<EuiEmptyPromptProps> = ({
   iconType,
   iconColor = 'subdued',
   title,
-  titleSize,
+  titleSize = 'm',
   body,
   actions,
   className,