diff --git a/lib/experimental/disable-tinymce.php b/lib/experimental/disable-tinymce.php
index cfe716d834ff7..ff9185cff567d 100644
--- a/lib/experimental/disable-tinymce.php
+++ b/lib/experimental/disable-tinymce.php
@@ -87,7 +87,8 @@ function_exists( 'use_block_editor_for_post_type' ) &&
 
 	$parsed_blocks = parse_blocks( $content );
 	foreach ( $parsed_blocks as $block ) {
-		if ( empty( $block['blockName'] ) && strlen( trim( $block['innerHTML'] ) ) > 0 ) {
+		$is_freeform_block = empty( $block['blockName'] ) || 'core/freeform' === $block['blockName'];
+		if ( $is_freeform_block && strlen( trim( $block['innerHTML'] ) ) > 0 ) {
 			return true;
 		}
 	}