diff --git a/packages/core/core/src/PackagerRunner.js b/packages/core/core/src/PackagerRunner.js
index c062edc9da4..a71a7ef1e75 100644
--- a/packages/core/core/src/PackagerRunner.js
+++ b/packages/core/core/src/PackagerRunner.js
@@ -83,6 +83,7 @@ export type BundleInfo = {|
   +hashReferences: Array<string>,
   +time?: number,
   +cacheKeys: CacheKeyMap,
+  +isLargeBlob: boolean,
 |};
 
 type CacheKeyMap = {|
@@ -618,9 +619,11 @@ export default class PackagerRunner {
     let size = 0;
     let hash;
     let hashReferences = [];
+    let isLargeBlob = false;
 
     // TODO: don't replace hash references in binary files??
     if (contents instanceof Readable) {
+      isLargeBlob = true;
       let boundaryStr = '';
       let h = new Hash();
       await this.options.cache.setStream(
@@ -659,6 +662,7 @@ export default class PackagerRunner {
       hash,
       hashReferences,
       cacheKeys,
+      isLargeBlob,
     };
     await this.options.cache.set(cacheKeys.info, info);
     return info;
diff --git a/packages/core/core/src/Transformation.js b/packages/core/core/src/Transformation.js
index bdd18698f51..f2c0fab4f01 100644
--- a/packages/core/core/src/Transformation.js
+++ b/packages/core/core/src/Transformation.js
@@ -512,7 +512,9 @@ export default class Transformation {
       cachedAssets.map(async (value: AssetValue) => {
         let content =
           value.contentKey != null
-            ? this.options.cache.getStream(value.contentKey)
+            ? value.isLargeBlob
+              ? this.options.cache.getStream(value.contentKey)
+              : await this.options.cache.getBlob(value.contentKey)
             : null;
         let mapBuffer =
           value.astKey != null
diff --git a/packages/core/core/src/UncommittedAsset.js b/packages/core/core/src/UncommittedAsset.js
index ec199e6ca68..cd0fc9be2b6 100644
--- a/packages/core/core/src/UncommittedAsset.js
+++ b/packages/core/core/src/UncommittedAsset.js
@@ -135,6 +135,7 @@ export default class UncommittedAsset {
       this.value.stats.size = size;
     }
 
+    this.value.isLargeBlob = this.content instanceof Readable;
     this.value.committed = true;
   }
 
diff --git a/packages/core/core/src/requests/WriteBundleRequest.js b/packages/core/core/src/requests/WriteBundleRequest.js
index 80a997b41b7..c09fed60e93 100644
--- a/packages/core/core/src/requests/WriteBundleRequest.js
+++ b/packages/core/core/src/requests/WriteBundleRequest.js
@@ -16,7 +16,7 @@ import {HASH_REF_PREFIX, HASH_REF_REGEX} from '../constants';
 import nullthrows from 'nullthrows';
 import path from 'path';
 import {NamedBundle} from '../public/Bundle';
-import {TapStream} from '@parcel/utils';
+import {blobToStream, TapStream} from '@parcel/utils';
 import {Readable, Transform, pipeline} from 'stream';
 import {
   fromProjectPath,
@@ -123,7 +123,14 @@ async function run({input, options, api}: RunInput) {
       : {
           mode: (await inputFS.stat(mainEntry.filePath)).mode,
         };
-  let contentStream = options.cache.getStream(cacheKeys.content);
+  let contentStream: Readable;
+  if (info.isLargeBlob) {
+    contentStream = options.cache.getStream(cacheKeys.content);
+  } else {
+    contentStream = blobToStream(
+      await options.cache.getBlob(cacheKeys.content),
+    );
+  }
   let size = 0;
   contentStream = contentStream.pipe(
     new TapStream(buf => {
diff --git a/packages/core/core/src/types.js b/packages/core/core/src/types.js
index 6c498c47385..a93ffd73293 100644
--- a/packages/core/core/src/types.js
+++ b/packages/core/core/src/types.js
@@ -180,6 +180,7 @@ export type Asset = {|
   configPath?: ProjectPath,
   plugin: ?PackageName,
   configKeyPath?: string,
+  isLargeBlob?: boolean,
 |};
 
 export type InternalGlob = ProjectPath;