diff --git a/src/DataTables/Filters/Constraints/ChoiceConstraint.php b/src/DataTables/Filters/Constraints/ChoiceConstraint.php
index 621edfe9..cce7ce2c 100644
--- a/src/DataTables/Filters/Constraints/ChoiceConstraint.php
+++ b/src/DataTables/Filters/Constraints/ChoiceConstraint.php
@@ -70,7 +70,7 @@ class ChoiceConstraint extends AbstractConstraint
 
     public function isEnabled(): bool
     {
-        return $this->operator !== '';
+        return $this->operator !== '' && count($this->value) > 0;
     }
 
     public function apply(QueryBuilder $queryBuilder): void
diff --git a/src/DataTables/Filters/Constraints/InstanceOfConstraint.php b/src/DataTables/Filters/Constraints/InstanceOfConstraint.php
index 410716d4..7fc242d7 100644
--- a/src/DataTables/Filters/Constraints/InstanceOfConstraint.php
+++ b/src/DataTables/Filters/Constraints/InstanceOfConstraint.php
@@ -77,7 +77,7 @@ class InstanceOfConstraint extends AbstractConstraint
 
     public function isEnabled(): bool
     {
-        return $this->operator !== '';
+        return $this->operator !== '' && count($this->value) > 0;
     }
 
     public function apply(QueryBuilder $queryBuilder): void