diff --git a/lib/Segments/DynamicSegments/Filters/EmailAction.php b/lib/Segments/DynamicSegments/Filters/EmailAction.php
index 7f4dd7303a..c229491ff7 100644
--- a/lib/Segments/DynamicSegments/Filters/EmailAction.php
+++ b/lib/Segments/DynamicSegments/Filters/EmailAction.php
@@ -103,7 +103,7 @@ class EmailAction implements Filter {
       )->setParameter('newsletter' . $parameterSuffix, $newsletterId);
     }
     if ($action === EmailAction::ACTION_OPENED) {
-      $queryBuilder->andWhere('(stats.user_agent_type = :userAgentType) OR (stats.user_agent_type IS NULL)')
+      $queryBuilder->andWhere('stats.user_agent_type = :userAgentType')
         ->setParameter('userAgentType', UserAgentEntity::USER_AGENT_TYPE_HUMAN);
     }
     if ($action === EmailAction::ACTION_MACHINE_OPENED) {
diff --git a/lib/Segments/DynamicSegments/Filters/EmailOpensAbsoluteCountAction.php b/lib/Segments/DynamicSegments/Filters/EmailOpensAbsoluteCountAction.php
index 3984b5f584..82267e2f7e 100644
--- a/lib/Segments/DynamicSegments/Filters/EmailOpensAbsoluteCountAction.php
+++ b/lib/Segments/DynamicSegments/Filters/EmailOpensAbsoluteCountAction.php
@@ -45,10 +45,10 @@ class EmailOpensAbsoluteCountAction implements Filter {
     }
     $queryBuilder->setParameter('opens' . $parameterSuffix, $filterData->getParam('opens'));
     if ($action === EmailOpensAbsoluteCountAction::TYPE) {
-      $queryBuilder->andWhere('(opens.user_agent_type = :userAgentType) OR (opens.user_agent_type IS NULL)')
+      $queryBuilder->andWhere('opens.user_agent_type = :userAgentType')
         ->setParameter('userAgentType', UserAgentEntity::USER_AGENT_TYPE_HUMAN);
     } else {
-      $queryBuilder->andWhere('(opens.user_agent_type = :userAgentType)')
+      $queryBuilder->andWhere('opens.user_agent_type = :userAgentType')
         ->setParameter('userAgentType', UserAgentEntity::USER_AGENT_TYPE_MACHINE);
     }
     return $queryBuilder;