diff --git a/webpack-subresource-integrity/src/manifest.ts b/webpack-subresource-integrity/src/manifest.ts
index 5bc5cea..9a0c60d 100644
--- a/webpack-subresource-integrity/src/manifest.ts
+++ b/webpack-subresource-integrity/src/manifest.ts
@@ -17,7 +17,7 @@ import {
   allChunksInChunkIterable,
   allChunksInPrimaryChunkIterable,
   sriHashVariableReference,
-  wmfSharedChunk,
+  checkForFiles,
 } from "./util";
 import { createDAGfromGraph } from "./scc";
 import { RuntimeModule, Template, Chunk } from "webpack";
@@ -53,13 +53,13 @@ function buildTopologicallySortedChunkGraph(
 
   // Chunks should have *all* chunks, not simply entry chunks
   for (const vertex of chunks) {
-    if (wmfSharedChunk(vertex) || addIfNotExist(vertices, vertex)) {
+    if (checkForFiles(vertex) || addIfNotExist(vertices, vertex)) {
       continue;
     }
 
     edges.set(vertex, new Set<Chunk>());
     for (const childChunk of allChunksInChunkIterable(vertex)) {
-      if (!wmfSharedChunk(childChunk)) {
+      if (!checkForFiles(childChunk)) {
         edges.get(vertex)?.add(childChunk);
       }
     }
diff --git a/webpack-subresource-integrity/src/util.ts b/webpack-subresource-integrity/src/util.ts
index 3f3ff22..943271c 100644
--- a/webpack-subresource-integrity/src/util.ts
+++ b/webpack-subresource-integrity/src/util.ts
@@ -87,10 +87,8 @@ export function addIfNotExist<T>(set: Set<T>, item: T): boolean {
   set.add(item);
   return false;
 }
-export function wmfSharedChunk(chunk: Chunk): boolean {
-  return Boolean(
-    chunk.chunkReason?.includes("split chunk (cache group: default)")
-  );
+export function checkForFiles(chunk: Chunk): boolean {
+  return chunk.files?.size === 0;
 }
 
 export function findChunks(chunk: Chunk): Set<Chunk> {
@@ -104,7 +102,7 @@ export function findChunks(chunk: Chunk): Set<Chunk> {
       group.childrenIterable.forEach(recurseGroup);
     }
 
-    if (wmfSharedChunk(childChunk) || addIfNotExist(allChunks, childChunk)) {
+    if (checkForFiles(childChunk) || addIfNotExist(allChunks, childChunk)) {
       return;
     }
     Array.from(childChunk.groupsIterable).forEach(recurseGroup);