diff --git a/app/Http/Resources/FlowMeasureResource.php b/app/Http/Resources/FlowMeasureResource.php
index 75c1efb2..8b942bc4 100644
--- a/app/Http/Resources/FlowMeasureResource.php
+++ b/app/Http/Resources/FlowMeasureResource.php
@@ -4,6 +4,7 @@
 
 use App\Helpers\ApiDateTimeFormatter;
 use App\Helpers\FlowMeasureFilterApiFormatter;
+use App\Models\Event;
 use Illuminate\Http\Resources\Json\JsonResource;
 
 class FlowMeasureResource extends JsonResource
@@ -26,8 +27,8 @@ public function toArray($request): array
             'measure' => [
                 'type' => $this->type,
                 'value' => $this->isMandatoryRoute()
-                    ? $this->mandatory_route
-                    : $this->value,
+                ? $this->mandatory_route
+                : $this->value,
             ],
             'filters' => $this->formatFilters($this->filters),
             'notified_flight_information_regions' => $this->notifiedFlightInformationRegions->pluck('id')->toArray(),
@@ -46,18 +47,25 @@ private function formatFilters(array $filters): array
         );
     }
 
-    private function formatSingleFilter(string $type, $value): array|int|string
+    private function formatSingleFilter(string $type, $value): array |int|string
     {
         return match ($type) {
             'ADES', 'ADEP' => FlowMeasureFilterApiFormatter::formatAirportList($value),
-            'level_above', 'level_below' => (int)$value,
-            'level' => array_map(fn ($level) => (int)$level, $value),
-            'member_event', 'member_not_event' => [
-                'event_id' => (int)$value['event_id'],
-                'event_api' => $value['event_api'],
-                'event_vatcan' => $value['event_vatcan'],
-            ],
+            'level_above', 'level_below' => (int) $value,
+            'level' => array_map(fn ($level) => (int) $level, $value),
+            'member_event', 'member_not_event' => $this->formatEventMembershipFilters($value),
             default => $value
         };
     }
+
+    private function formatEventMembershipFilters($value): array
+    {
+        $event = Event::withTrashed()->where('id', $value)->first();
+
+        return [
+            'event_id' => $event->id,
+            'event_api' => null,
+            'event_vatcan' => $event->vatcan_code,
+        ];
+    }
 }
diff --git a/database/factories/FlowMeasureFactory.php b/database/factories/FlowMeasureFactory.php
index dc611d75..0942e40b 100644
--- a/database/factories/FlowMeasureFactory.php
+++ b/database/factories/FlowMeasureFactory.php
@@ -183,7 +183,7 @@ public function withMemberEvent(Event $event): static
                 'type' => 'member_event',
                 'value' => [
                     'event_id' => (string) $event->id,
-                    'event_api' => 'testapicode',
+                    'event_api' => null,
                     'event_vatcan' => 'testvatcancode',
                 ]
             ]
@@ -197,7 +197,7 @@ public function withMemberNotEvent(Event $event): static
                 'type' => 'member_not_event',
                 'value' => [
                     'event_id' => (string) $event->id,
-                    'event_api' => 'testapicode',
+                    'event_api' => null,
                     'event_vatcan' => 'testvatcancode',
                 ]
             ]
diff --git a/tests/Api/FlowMeasureTest.php b/tests/Api/FlowMeasureTest.php
index 4e46de8f..6148742f 100644
--- a/tests/Api/FlowMeasureTest.php
+++ b/tests/Api/FlowMeasureTest.php
@@ -295,7 +295,9 @@ public function testItReturnsAFlowMeasureWithALevelFilter()
 
     public function testItReturnsAFlowMeasureWithAMemberEventFilter()
     {
-        $event = Event::factory()->create();
+        $event = Event::factory()
+            ->withVatcanCode()
+            ->create();
         $flowMeasure = FlowMeasure::factory()
             ->withMemberEvent($event)
             ->create();
@@ -326,8 +328,8 @@ public function testItReturnsAFlowMeasureWithAMemberEventFilter()
                         'type' => 'member_event',
                         'value' => [
                             'event_id' => $event->id,
-                            'event_api' => 'testapicode',
-                            'event_vatcan' => 'testvatcancode',
+                            'event_api' => null,
+                            'event_vatcan' => $event->vatcan_code,
                         ],
                     ],
                 ],
@@ -338,7 +340,9 @@ public function testItReturnsAFlowMeasureWithAMemberEventFilter()
 
     public function testItReturnsAFlowMeasureWithAMemberNotEventFilter()
     {
-        $event = Event::factory()->create();
+        $event = Event::factory()
+            ->withVatcanCode()
+            ->create();
         $flowMeasure = FlowMeasure::factory()
             ->withMemberNotEvent($event)
             ->create();
@@ -369,8 +373,8 @@ public function testItReturnsAFlowMeasureWithAMemberNotEventFilter()
                         'type' => 'member_not_event',
                         'value' => [
                             'event_id' => $event->id,
-                            'event_api' => 'testapicode',
-                            'event_vatcan' => 'testvatcancode',
+                            'event_api' => null,
+                            'event_vatcan' => $event->vatcan_code,
                         ],
                     ],
                 ],