diff --git a/src/applications/maniphest/xaction/ManiphestTaskPointsTransaction.php b/src/applications/maniphest/xaction/ManiphestTaskPointsTransaction.php
--- a/src/applications/maniphest/xaction/ManiphestTaskPointsTransaction.php
+++ b/src/applications/maniphest/xaction/ManiphestTaskPointsTransaction.php
@@ -98,7 +98,7 @@
   }
 
   private function getValueForPoints($value) {
-    if (!strlen($value)) {
+    if (!phutil_nonempty_string($value)) {
       $value = null;
     }
     if ($value !== null) {