diff --git a/includes/class-wc-ajax.php b/includes/class-wc-ajax.php
index ff9b69d86f1..689107e45ec 100644
--- a/includes/class-wc-ajax.php
+++ b/includes/class-wc-ajax.php
@@ -2760,19 +2760,17 @@ class WC_AJAX {
 	 * @param  array $data
 	 */
 	private static function variation_bulk_action_variable_stock( $variations, $data ) {
-		if ( empty( $data['value'] ) ) {
+		if ( ! isset( $data['value'] ) ) {
 			return;
 		}
 
 		$value = wc_clean( $data['value'] );
 
-		if ( $value ) {
-			foreach ( $variations as $variation_id ) {
-				if ( 'yes' === get_post_meta( $variation_id, '_manage_stock', true ) ) {
-					wc_update_product_stock( $variation_id, wc_stock_amount( $value ) );
-				} else {
-					delete_post_meta( $variation_id, '_stock' );
-				}
+		foreach ( $variations as $variation_id ) {
+			if ( 'yes' === get_post_meta( $variation_id, '_manage_stock', true ) ) {
+				wc_update_product_stock( $variation_id, wc_stock_amount( $value ) );
+			} else {
+				delete_post_meta( $variation_id, '_stock' );
 			}
 		}
 	}
diff --git a/readme.txt b/readme.txt
index 40d33dfac6b..da63287c223 100644
--- a/readme.txt
+++ b/readme.txt
@@ -164,7 +164,8 @@ Yes you can! Join in on our [GitHub repository](http://github.com/woothemes/wooc
 * Fix - Subscriptions 2.0 (unreleased) compatibility.
 * Fix - Added BW compatibility for themes using 'uniform'.
 * Fix - Encode variation data in add_to_cart_url method.
-* Fix - Bulk update variation manage stock when _manage_stock meta data is missing.
+* Fix - Bulk update variation: Set manage stock when _manage_stock meta data is missing.
+* Fix - Bulk update variation: Allow stock to be set to 0.
 * Tweak - Add tooltips for tax status and tax class options.
 * Tweak - WC Setup wizard: multi-line step styling.
 * Tweak - WC Setup wizard: site icon display on WP 4.3.