diff --git a/apps/provisioning_api/lib/ResponseDefinitions.php b/apps/provisioning_api/lib/ResponseDefinitions.php
index 4e562ec648f14..edb9138659ada 100644
--- a/apps/provisioning_api/lib/ResponseDefinitions.php
+++ b/apps/provisioning_api/lib/ResponseDefinitions.php
@@ -28,7 +28,7 @@
 /**
  * @psalm-type ProvisioningApiUserDetailsQuota = array{
  *     free?: float,
- *     quota?: float|string,
+ *     quota?: float|int|string,
  *     relative?: float,
  *     total?: float,
  *     used?: float,
diff --git a/apps/provisioning_api/openapi.json b/apps/provisioning_api/openapi.json
index 8a0e57d682ac8..58badb5746128 100644
--- a/apps/provisioning_api/openapi.json
+++ b/apps/provisioning_api/openapi.json
@@ -516,6 +516,10 @@
                                 "type": "number",
                                 "format": "float"
                             },
+                            {
+                                "type": "integer",
+                                "format": "int64"
+                            },
                             {
                                 "type": "string"
                             }