diff --git a/scm-ui-components/packages/ui-components/src/FileSize.js b/scm-ui-components/packages/ui-components/src/FileSize.js
index c7d966d901..2796e0fd0c 100644
--- a/scm-ui-components/packages/ui-components/src/FileSize.js
+++ b/scm-ui-components/packages/ui-components/src/FileSize.js
@@ -12,9 +12,9 @@ class FileSize extends React.Component<Props> {
     }
 
     const units = ["B", "K", "M", "G", "T", "P", "E", "Z", "Y"];
-    const i = Math.floor(Math.log(bytes) / Math.log(1024));
+    const i = Math.floor(Math.log(bytes) / Math.log(1000));
 
-    const size = i === 0 ? bytes : (bytes / 1024 ** i).toFixed(2);
+    const size = i === 0 ? bytes : (bytes / 1000 ** i).toFixed(2);
     return `${size} ${units[i]}`;
   }