diff --git a/packages/@uppy/core/src/index.js b/packages/@uppy/core/src/index.js
index 1b3eef699f..32f73b1500 100644
--- a/packages/@uppy/core/src/index.js
+++ b/packages/@uppy/core/src/index.js
@@ -1076,7 +1076,9 @@ class Uppy {
       const currentProgress = this.getFile(file.id).progress
       this.setFileState(file.id, {
         progress: Object.assign({}, currentProgress, {
-          postprocess: this.postProcessors.length > 0,
+          postprocess: this.postProcessors.length > 0 ? {
+            mode: 'indeterminate'
+          } : null,
           uploadComplete: true,
           percentage: 100,
           bytesUploaded: currentProgress.bytesTotal