diff --git a/CHANGELOG.md b/CHANGELOG.md
index 90ee575..4632f07 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Stanford SamlAuth
 
+1.2.1
+--------------------------------------------------------------------------------
+_Release Date: 2025-02-25_
+
+- Fix validation error with empty field value.
+
 1.2.0
 --------------------------------------------------------------------------------
 _Release Date: 2025-02-25_
diff --git a/src/Plugin/Validation/Constraint/ValidSunetIDConstraintValidator.php b/src/Plugin/Validation/Constraint/ValidSunetIDConstraintValidator.php
index db06fe0..4675e54 100644
--- a/src/Plugin/Validation/Constraint/ValidSunetIDConstraintValidator.php
+++ b/src/Plugin/Validation/Constraint/ValidSunetIDConstraintValidator.php
@@ -31,7 +31,7 @@ public static function create(ContainerInterface $container): self {
    * {@inheritdoc}
    */
   public function validate(mixed $item, Constraint $constraint): void {
-    if ($this->workgroupApi->connectionSuccessful() && !$this->workgroupApi->isSunetValid($item)) {
+    if ($item && $this->workgroupApi->connectionSuccessful() && !$this->workgroupApi->isSunetValid($item)) {
       $this->context->addViolation($constraint->message);
     }
   }
diff --git a/stanford_samlauth.info.yml b/stanford_samlauth.info.yml
index b36cdae..b6fc01a 100644
--- a/stanford_samlauth.info.yml
+++ b/stanford_samlauth.info.yml
@@ -3,7 +3,7 @@ type: module
 description: Adds enhancements to SAML Authentication module.
 package: Stanford
 core_version_requirement: ^10.3 || ^11
-version: 1.2.0
+version: 1.2.1
 dependencies:
   - drupal:path_alias
   - autologout:autologout