diff --git a/.github/workflows/web-interface-check.yml b/.github/workflows/web-interface-check.yml
index e1a2156da60..629fa5d4afd 100644
--- a/.github/workflows/web-interface-check.yml
+++ b/.github/workflows/web-interface-check.yml
@@ -85,9 +85,9 @@ jobs:
         run: |
           BASE_SIZE=0
           if [ -d ./engine/build-cc-out ]; then
-            BASE_SIZE=$(du -sk ./engine/build-cc-out | awk '{print $1}')
+            BASE_SIZE=$(du -sb ./engine/build-cc-out | awk '{print $1}')
           fi
-          HEAD_SIZE=$(du -sk ./engine-HEAD/build-cc-out | awk '{print $1}')
+          HEAD_SIZE=$(du -sb ./engine-HEAD/build-cc-out | awk '{print $1}')
           DIFF_SIZE=$((HEAD_SIZE - BASE_SIZE))
           if [ "$DIFF_SIZE" -gt 0 ]; then
             PACKAGE_SIZE_INFO="⚠️ Package size ⤴ $DIFF_SIZE bytes, old: $BASE_SIZE, new: $HEAD_SIZE"