diff --git a/lib/analyze.js b/lib/analyze.js
index 0fa611b..0c4c72c 100644
--- a/lib/analyze.js
+++ b/lib/analyze.js
@@ -326,7 +326,9 @@ module.exports = function analyze(
   updateProgressBar /*: UpdateProgressBar */ = () => {}
 ) {
   const stats =
-    rawStats.children && rawStats.children.length
+    rawStats.children &&
+    rawStats.children.length &&
+    (!rawStats.chunks || !rawStats.chunks.length)
       ? joinStats(rawStats.children)
       : rawStats;
   const chunks = getChunksData(stats);