diff --git a/lib/utils/upload.ts b/lib/utils/upload.ts
index 259f111f..6e6ee402 100644
--- a/lib/utils/upload.ts
+++ b/lib/utils/upload.ts
@@ -62,6 +62,10 @@ export const uploadData = async function(
  * garbage collection
  */
 export const getChunk = function(file: File, start: number, length: number): Promise<Blob> {
+	if (file.size <= start + length) {
+		return Promise.resolve(new Blob([file], { type: file.type }))
+	}
+
 	// Since we use a global FileReader, we need to only read one chunk at a time
 	return readerLimit(() => new Promise((resolve, reject) => {
 		reader.onload = () => {