diff --git a/packages/edit-post/src/components/header/writing-menu/index.js b/packages/edit-post/src/components/header/writing-menu/index.js
index c0d6ff994815e6..de6acf67c19834 100644
--- a/packages/edit-post/src/components/header/writing-menu/index.js
+++ b/packages/edit-post/src/components/header/writing-menu/index.js
@@ -31,7 +31,7 @@ function WritingMenu() {
 
 	const toggleDistractionFree = () => {
 		registry.batch( () => {
-			setPreference( 'core/edit-post', 'fixedToolbar', false );
+			setPreference( 'core/edit-post', 'fixedToolbar', true );
 			setIsInserterOpened( false );
 			setIsListViewOpened( false );
 			closeGeneralSidebar();
diff --git a/packages/edit-post/src/components/preferences-modal/index.js b/packages/edit-post/src/components/preferences-modal/index.js
index bb0c8b5cd12715..c08dda81f8e594 100644
--- a/packages/edit-post/src/components/preferences-modal/index.js
+++ b/packages/edit-post/src/components/preferences-modal/index.js
@@ -70,7 +70,7 @@ export default function EditPostPreferencesModal() {
 	const { set: setPreference } = useDispatch( preferencesStore );
 
 	const toggleDistractionFree = () => {
-		setPreference( 'core/edit-post', 'fixedToolbar', false );
+		setPreference( 'core/edit-post', 'fixedToolbar', true );
 		setIsInserterOpened( false );
 		setIsListViewOpened( false );
 		closeGeneralSidebar();
diff --git a/packages/edit-post/src/store/actions.js b/packages/edit-post/src/store/actions.js
index f7a5e211fd769c..27e45ab0edf9d6 100644
--- a/packages/edit-post/src/store/actions.js
+++ b/packages/edit-post/src/store/actions.js
@@ -630,7 +630,7 @@ export const toggleDistractionFree =
 			registry.batch( () => {
 				registry
 					.dispatch( preferencesStore )
-					.set( 'core/edit-post', 'fixedToolbar', false );
+					.set( 'core/edit-post', 'fixedToolbar', true );
 				dispatch.setIsInserterOpened( false );
 				dispatch.setIsListViewOpened( false );
 				dispatch.closeGeneralSidebar();
diff --git a/packages/edit-post/src/store/test/actions.js b/packages/edit-post/src/store/test/actions.js
index cfd3eecb39e5b8..76f527935cdf3e 100644
--- a/packages/edit-post/src/store/test/actions.js
+++ b/packages/edit-post/src/store/test/actions.js
@@ -375,7 +375,7 @@ describe( 'actions', () => {
 				registry
 					.select( preferencesStore )
 					.get( 'core/edit-post', 'fixedToolbar' )
-			).toBe( false );
+			).toBe( true );
 			expect( registry.select( editPostStore ).isListViewOpened() ).toBe(
 				false
 			);
diff --git a/packages/edit-site/src/components/header-edit-mode/more-menu/index.js b/packages/edit-site/src/components/header-edit-mode/more-menu/index.js
index 4b9d6c40fc6eec..2185258ad338a6 100644
--- a/packages/edit-site/src/components/header-edit-mode/more-menu/index.js
+++ b/packages/edit-site/src/components/header-edit-mode/more-menu/index.js
@@ -52,7 +52,7 @@ export default function MoreMenu( { showIconLabels } ) {
 
 	const toggleDistractionFree = () => {
 		registry.batch( () => {
-			setPreference( 'core/edit-site', 'fixedToolbar', false );
+			setPreference( 'core/edit-site', 'fixedToolbar', true );
 			setIsInserterOpened( false );
 			setIsListViewOpened( false );
 			closeGeneralSidebar();
diff --git a/packages/edit-site/src/components/preferences-modal/index.js b/packages/edit-site/src/components/preferences-modal/index.js
index c8a8d103250f5b..8439661a7910b2 100644
--- a/packages/edit-site/src/components/preferences-modal/index.js
+++ b/packages/edit-site/src/components/preferences-modal/index.js
@@ -34,7 +34,7 @@ export default function EditSitePreferencesModal() {
 	const { set: setPreference } = useDispatch( preferencesStore );
 	const toggleDistractionFree = () => {
 		registry.batch( () => {
-			setPreference( 'core/edit-site', 'fixedToolbar', false );
+			setPreference( 'core/edit-site', 'fixedToolbar', true );
 			setIsInserterOpened( false );
 			setIsListViewOpened( false );
 			closeGeneralSidebar();
diff --git a/packages/edit-site/src/store/actions.js b/packages/edit-site/src/store/actions.js
index 4de1f4ac2a61fd..000a5f71bbbf0e 100644
--- a/packages/edit-site/src/store/actions.js
+++ b/packages/edit-site/src/store/actions.js
@@ -599,7 +599,7 @@ export const toggleDistractionFree =
 			registry.batch( () => {
 				registry
 					.dispatch( preferencesStore )
-					.set( 'core/edit-site', 'fixedToolbar', false );
+					.set( 'core/edit-site', 'fixedToolbar', true );
 				dispatch.setIsInserterOpened( false );
 				dispatch.setIsListViewOpened( false );
 				dispatch.closeGeneralSidebar();
diff --git a/packages/edit-site/src/store/test/actions.js b/packages/edit-site/src/store/test/actions.js
index 787809acda0890..3eb1855e68e9d7 100644
--- a/packages/edit-site/src/store/test/actions.js
+++ b/packages/edit-site/src/store/test/actions.js
@@ -158,7 +158,7 @@ describe( 'actions', () => {
 				registry
 					.select( preferencesStore )
 					.get( 'core/edit-site', 'fixedToolbar' )
-			).toBe( false );
+			).toBe( true );
 			expect( registry.select( editSiteStore ).isListViewOpened() ).toBe(
 				false
 			);