diff --git a/src/Bundle/ChillActivityBundle/Export/Filter/ACPFilters/EmergencyFilter.php b/src/Bundle/ChillActivityBundle/Export/Filter/ACPFilters/EmergencyFilter.php
index 807ba3903..66ab40e48 100644
--- a/src/Bundle/ChillActivityBundle/Export/Filter/ACPFilters/EmergencyFilter.php
+++ b/src/Bundle/ChillActivityBundle/Export/Filter/ACPFilters/EmergencyFilter.php
@@ -22,11 +22,11 @@ use Symfony\Contracts\Translation\TranslatorInterface;
 class EmergencyFilter implements FilterInterface
 {
     private const CHOICES = [
-        'activity is emergency' => true,
-        'activity is not emergency' => false,
+        'activity is emergency' => 'true',
+        'activity is not emergency' => 'false',
     ];
 
-    private const DEFAULT_CHOICE = false;
+    private const DEFAULT_CHOICE = 'false';
 
     private TranslatorInterface $translator;
 
diff --git a/src/Bundle/ChillCalendarBundle/Export/Filter/CalendarRangeFilter.php b/src/Bundle/ChillCalendarBundle/Export/Filter/CalendarRangeFilter.php
index 5ffb7c01f..84ec77e6b 100644
--- a/src/Bundle/ChillCalendarBundle/Export/Filter/CalendarRangeFilter.php
+++ b/src/Bundle/ChillCalendarBundle/Export/Filter/CalendarRangeFilter.php
@@ -29,11 +29,11 @@ use Symfony\Contracts\Translation\TranslatorInterface;
 class CalendarRangeFilter implements FilterInterface
 {
     private const CHOICES = [
-        'Not made within a calendar range' => true,
-        'Made within a calendar range' => false,
+        'Not made within a calendar range' => 'true',
+        'Made within a calendar range' => 'false',
     ];
 
-    private const DEFAULT_CHOICE = false;
+    private const DEFAULT_CHOICE = 'false';
 
     private TranslatorInterface $translator;