diff --git a/@xen-orchestra/vmware-explorer/parsers/vmdk.mjs b/@xen-orchestra/vmware-explorer/parsers/vmdk.mjs
index 2274cfc026d..0269ec8c2cd 100644
--- a/@xen-orchestra/vmware-explorer/parsers/vmdk.mjs
+++ b/@xen-orchestra/vmware-explorer/parsers/vmdk.mjs
@@ -38,7 +38,7 @@ export default function parseVmdk(raw) {
     fileName: descriptor.extent.name,
     parentId: descriptor.parentcid,
     parentFileName: descriptor.parentfilenamehint,
-    vmdFormat: descriptor.extent.type,
+    vmdkFormat: descriptor.extent.type,
     nameLabel: descriptor.extent.name,
   }
 }
diff --git a/packages/xo-server/src/xo-mixins/vmware/buildChainByNode.mjs b/packages/xo-server/src/xo-mixins/vmware/buildChainByNode.mjs
index d049ea6d96c..0224a217c0d 100644
--- a/packages/xo-server/src/xo-mixins/vmware/buildChainByNode.mjs
+++ b/packages/xo-server/src/xo-mixins/vmware/buildChainByNode.mjs
@@ -15,8 +15,8 @@ export function buildDiskChainByNode(disks, snapshots) {
   chain.push(disks)
 
   for (const disk of chain) {
-    if (disk.capacity > 2 * 1024 * 1024 * 1024 * 1024) {
-      /* 2TO */
+    if (disk.capacity > 2088960 * 1024 * 1024) {
+      /* 2TB - 8 MB is the maximum for smapi v1 */
       throw new Error("Can't migrate disks larger than 2TiB")
     }
   }