diff --git a/app/Support/JsonApi/Enrichments/AccountEnrichment.php b/app/Support/JsonApi/Enrichments/AccountEnrichment.php
index a5d6643908..80cfe8fc97 100644
--- a/app/Support/JsonApi/Enrichments/AccountEnrichment.php
+++ b/app/Support/JsonApi/Enrichments/AccountEnrichment.php
@@ -256,7 +256,7 @@ class AccountEnrichment implements EnrichmentInterface
             // add object group if available
             if (array_key_exists($id, $this->mappedObjects)) {
                 $key                        = $this->mappedObjects[$id];
-                $meta['object_group_id']    = $this->objectGroups[$key]['id'];
+                $meta['object_group_id']    = (string) $this->objectGroups[$key]['id'];
                 $meta['object_group_title'] = $this->objectGroups[$key]['title'];
                 $meta['object_group_order'] = $this->objectGroups[$key]['order'];
             }
diff --git a/app/Support/JsonApi/Enrichments/BudgetEnrichment.php b/app/Support/JsonApi/Enrichments/BudgetEnrichment.php
index 5605d7f94a..a0d6a7893e 100644
--- a/app/Support/JsonApi/Enrichments/BudgetEnrichment.php
+++ b/app/Support/JsonApi/Enrichments/BudgetEnrichment.php
@@ -117,7 +117,7 @@ class BudgetEnrichment implements EnrichmentInterface
             // add object group if available
             if (array_key_exists($id, $this->mappedObjects)) {
                 $key                        = $this->mappedObjects[$id];
-                $meta['object_group_id']    = $this->objectGroups[$key]['id'];
+                $meta['object_group_id']    = (string) $this->objectGroups[$key]['id'];
                 $meta['object_group_title'] = $this->objectGroups[$key]['title'];
                 $meta['object_group_order'] = $this->objectGroups[$key]['order'];
             }
diff --git a/app/Support/JsonApi/Enrichments/SubscriptionEnrichment.php b/app/Support/JsonApi/Enrichments/SubscriptionEnrichment.php
index 88307e028d..18e195a6f3 100644
--- a/app/Support/JsonApi/Enrichments/SubscriptionEnrichment.php
+++ b/app/Support/JsonApi/Enrichments/SubscriptionEnrichment.php
@@ -101,7 +101,7 @@ class SubscriptionEnrichment implements EnrichmentInterface
             // add object group if available
             if (array_key_exists($id, $this->mappedObjects)) {
                 $key                        = $this->mappedObjects[$id];
-                $meta['object_group_id']    = $objectGroups[$key]['id'];
+                $meta['object_group_id']    = (string) $objectGroups[$key]['id'];
                 $meta['object_group_title'] = $objectGroups[$key]['title'];
                 $meta['object_group_order'] = $objectGroups[$key]['order'];
             }