diff --git a/src/compression/basedecoder.js b/src/compression/basedecoder.js
index 1d5b8b42..5426920d 100644
--- a/src/compression/basedecoder.js
+++ b/src/compression/basedecoder.js
@@ -1,8 +1,8 @@
 import { applyPredictor } from '../predictor';
 
 export default class BaseDecoder {
-  decode(fileDirectory, buffer) {
-    const decoded = this.decodeBlock(buffer);
+  async decode(fileDirectory, buffer) {
+    const decoded = await this.decodeBlock(buffer);
     const predictor = fileDirectory.Predictor || 1;
     if (predictor !== 1) {
       const isTiled = !fileDirectory.StripOffsets;
diff --git a/src/decoder.worker.js b/src/decoder.worker.js
index 5529d720..9c09beaf 100644
--- a/src/decoder.worker.js
+++ b/src/decoder.worker.js
@@ -1,9 +1,10 @@
 import { expose, Transfer } from 'threads/worker';
 import { getDecoder } from './compression';
 
-function decode(fileDirectory, buffer) {
+async function decode(fileDirectory, buffer) {
   const decoder = getDecoder(fileDirectory);
-  return Transfer(decoder.decode(fileDirectory, buffer));
+  const decoded = await decoder.decode(fileDirectory, buffer);
+  return Transfer(decoded);
 }
 
 expose(decode);