diff --git a/client/gutenberg/editor/calypsoify-iframe.tsx b/client/gutenberg/editor/calypsoify-iframe.tsx
index 1f0aecb17759a..2c4ed6a095510 100644
--- a/client/gutenberg/editor/calypsoify-iframe.tsx
+++ b/client/gutenberg/editor/calypsoify-iframe.tsx
@@ -811,6 +811,7 @@ const mapStateToProps = (
 		...pressThisData,
 		answer_prompt: getQueryArg( window.location.href, 'answer_prompt' ),
 		completedFlow,
+		canvas: 'edit', // Load side editor in edit mode instead of displaying sidebar by default (Gutenberg v15.0.0)
 	} );
 
 	// needed for loading the editor in SU sessions