diff --git a/.changeset/wicked-planets-raise.md b/.changeset/wicked-planets-raise.md
new file mode 100644
index 000000000..19ff1ac4c
--- /dev/null
+++ b/.changeset/wicked-planets-raise.md
@@ -0,0 +1,5 @@
+---
+'@vivjs/loaders': patch
+---
+
+Relax `IFD` and `PlaneCount` strictness in OME-XML validation
diff --git a/packages/loaders/src/omexml.ts b/packages/loaders/src/omexml.ts
index f07558b3b..e9efd0557 100644
--- a/packages/loaders/src/omexml.ts
+++ b/packages/loaders/src/omexml.ts
@@ -106,8 +106,8 @@ const TiffDataSchema = z
   .object({ UUID: UuidSchema.optional() })
   .extend({
     attr: z.object({
-      IFD: z.coerce.number(),
-      PlaneCount: z.coerce.number(),
+      IFD: z.coerce.number().default(0),
+      PlaneCount: z.coerce.number().default(1),
       FirstT: z.coerce.number().optional(),
       FirstC: z.coerce.number().optional(),
       FirstZ: z.coerce.number().optional()