diff --git a/.changeset/proud-spies-train.md b/.changeset/proud-spies-train.md
new file mode 100644
index 000000000..10d332013
--- /dev/null
+++ b/.changeset/proud-spies-train.md
@@ -0,0 +1,5 @@
+---
+"@uppy/transloadit": patch
+---
+
+emit updated AssemblyState in 'transloadit:assembly-cancelled' event
diff --git a/packages/@uppy/transloadit/src/index.ts b/packages/@uppy/transloadit/src/index.ts
index c54150cdd..326981b6c 100644
--- a/packages/@uppy/transloadit/src/index.ts
+++ b/packages/@uppy/transloadit/src/index.ts
@@ -658,7 +658,10 @@ export default class Transloadit<
   async #cancelAssembly(assembly: AssemblyResponse) {
     await this.client.cancelAssembly(assembly)
     // TODO bubble this through AssemblyWatcher so its event handlers can clean up correctly
-    this.uppy.emit('transloadit:assembly-cancelled', assembly)
+
+    // if assemblyStatus has been updated after the cancellation was triggered, emit the updated assemblyStatus - fallback to the method argument
+    const updatedAssemblyStatus = this.assembly?.status ?? assembly
+    this.uppy.emit('transloadit:assembly-cancelled', updatedAssemblyStatus)
     this.assembly = undefined
   }