diff --git a/src/core/Core.js b/src/core/Core.js
index e269c5ec1..98f07adb1 100644
--- a/src/core/Core.js
+++ b/src/core/Core.js
@@ -273,6 +273,7 @@ class Uppy {
 
     this.on('core:upload-progress', (data) => {
       this.calculateProgress(data)
+      console.log('signal triggered!')
       // throttledCalculateProgress(data)
     })