diff --git a/includes/class-wc-form-handler.php b/includes/class-wc-form-handler.php
index aa27c274ab2..2f64549b4c7 100644
--- a/includes/class-wc-form-handler.php
+++ b/includes/class-wc-form-handler.php
@@ -713,7 +713,13 @@ class WC_Form_Handler {
 		$missing_attributes = array();
 		$variations         = array();
 		$attributes         = $adding_to_cart->get_attributes();
-		$variation          = wc_get_product( $variation_id );
+
+		// If no variation ID is set, attempt to get a variation ID from posted attributes.
+		if ( empty( $variation_id ) ) {
+			$variation_id = $adding_to_cart->get_matching_variation( wp_unslash( $_POST ) );
+		}
+
+		$variation = wc_get_product( $variation_id );
 
 		// Verify all attributes
 		foreach ( $attributes as $attribute ) {
diff --git a/includes/class-wc-product-variable.php b/includes/class-wc-product-variable.php
index b86c532106d..6ba6c6c4151 100644
--- a/includes/class-wc-product-variable.php
+++ b/includes/class-wc-product-variable.php
@@ -560,7 +560,7 @@ class WC_Product_Variable extends WC_Product {
 	}
 
 	/**
-	 * Returns an array of date for a variation. Used in the add to cart form.
+	 * Returns an array of data for a variation. Used in the add to cart form.
 	 * @since  2.4.0
 	 * @param  WC_Product $variation Variation product object or ID
 	 * @return array