diff --git a/lisa/schema.py b/lisa/schema.py
index c2f250d899..431dca0dd6 100644
--- a/lisa/schema.py
+++ b/lisa/schema.py
@@ -432,18 +432,18 @@ class DiskType(str, Enum):
 
 
 class StorageInterfaceType(str, Enum):
-    NVME = "NVMe"
-    SCSI = "SCSI"
+    SCSI = constants.STORAGE_INTERFACE_TYPE_SCSI
+    NVME = constants.STORAGE_INTERFACE_TYPE_NVME
 
 
 class DiskControllerType(str, Enum):
-    SCSI = StorageInterfaceType.SCSI
-    NVME = StorageInterfaceType.NVME
+    SCSI = constants.STORAGE_INTERFACE_TYPE_SCSI
+    NVME = constants.STORAGE_INTERFACE_TYPE_NVME
 
 
 class ResourceDiskType(str, Enum):
-    SCSI = StorageInterfaceType.SCSI
-    NVME = StorageInterfaceType.NVME
+    SCSI = constants.STORAGE_INTERFACE_TYPE_SCSI
+    NVME = constants.STORAGE_INTERFACE_TYPE_NVME
 
 
 disk_controller_type_priority: List[DiskControllerType] = [