diff --git a/changelog/patch-disable-tokenised-carts-by-default b/changelog/patch-disable-tokenised-carts-by-default
new file mode 100644
index 00000000000..0c3c7646c25
--- /dev/null
+++ b/changelog/patch-disable-tokenised-carts-by-default
@@ -0,0 +1,4 @@
+Significance: patch
+Type: fix
+
+Ensures that the tokenised cart for ECE implementation is disabled by default.
diff --git a/includes/class-wc-payments-features.php b/includes/class-wc-payments-features.php
index 0a80979e849..6eefb80fb9b 100644
--- a/includes/class-wc-payments-features.php
+++ b/includes/class-wc-payments-features.php
@@ -49,7 +49,7 @@ public static function are_payments_enabled() {
 	 * @return bool
 	 */
 	public static function is_tokenized_cart_ece_enabled(): bool {
-		return '1' === get_option( self::TOKENIZED_CART_ECE_FLAG_NAME, '1' );
+		return '1' === get_option( self::TOKENIZED_CART_ECE_FLAG_NAME, '0' );
 	}
 
 	/**