diff --git a/packages/edit-post/src/store/actions.js b/packages/edit-post/src/store/actions.js
index 581bed2b72caa..d0618d7e36a5b 100644
--- a/packages/edit-post/src/store/actions.js
+++ b/packages/edit-post/src/store/actions.js
@@ -557,7 +557,7 @@ export const initializeMetaBoxes =
 
 		// Save metaboxes on save completion, except for autosaves.
 		addFilter(
-			'editor.SavePost',
+			'editor.__unstableSavePost',
 			'core/edit-post/save-metaboxes',
 			( previous, options ) =>
 				previous.then( () => {
diff --git a/packages/editor/src/store/actions.js b/packages/editor/src/store/actions.js
index b040229d46cff..ece8d62f689a5 100644
--- a/packages/editor/src/store/actions.js
+++ b/packages/editor/src/store/actions.js
@@ -189,7 +189,7 @@ export const savePost =
 
 		if ( ! error ) {
 			await applyFilters(
-				'editor.SavePost',
+				'editor.__unstableSavePost',
 				Promise.resolve(),
 				options
 			).catch( ( err ) => {