diff --git a/types/busboy/busboy-tests.ts b/types/busboy/busboy-tests.ts
index 751aaa2ebc6d9e..c4f834a56e8c6a 100644
--- a/types/busboy/busboy-tests.ts
+++ b/types/busboy/busboy-tests.ts
@@ -21,7 +21,7 @@ const bb = busboy({
 
 bb.addListener("file", (name, stream, info) => {
     name; // $ExpectType string
-    stream; // $ExpectType Readable
+    stream; // $ExpectType Readable & { truncated?: boolean | undefined; }
     info; // $ExpectType FileInfo
 });
 bb.addListener("field", (name, value, info) => {
@@ -54,7 +54,7 @@ bb.on(Symbol("foo"), foo => {
 
 bb.on("file", (name, stream, info) => {
     name; // $ExpectType string
-    stream; // $ExpectType Readable
+    stream; // $ExpectType Readable & { truncated?: boolean | undefined; }
     info; // $ExpectType FileInfo
 });
 bb.on("field", (name, value, info) => {
@@ -87,7 +87,7 @@ bb.on(Symbol("foo"), foo => {
 
 bb.once("file", (name, stream, info) => {
     name; // $ExpectType string
-    stream; // $ExpectType Readable
+    stream; // $ExpectType Readable & { truncated?: boolean | undefined; }
     info; // $ExpectType FileInfo
 });
 bb.once("field", (name, value, info) => {
@@ -120,7 +120,7 @@ bb.once(Symbol("foo"), foo => {
 
 bb.removeListener("file", (name, stream, info) => {
     name; // $ExpectType string
-    stream; // $ExpectType Readable
+    stream; // $ExpectType Readable & { truncated?: boolean | undefined; }
     info; // $ExpectType FileInfo
 });
 bb.removeListener("field", (name, value, info) => {
@@ -153,7 +153,7 @@ bb.removeListener(Symbol("foo"), foo => {
 
 bb.off("file", (name, stream, info) => {
     name; // $ExpectType string
-    stream; // $ExpectType Readable
+    stream; // $ExpectType Readable & { truncated?: boolean | undefined; }
     info; // $ExpectType FileInfo
 });
 bb.off("field", (name, value, info) => {
@@ -186,7 +186,7 @@ bb.off(Symbol("foo"), foo => {
 
 bb.prependListener("file", (name, stream, info) => {
     name; // $ExpectType string
-    stream; // $ExpectType Readable
+    stream; // $ExpectType Readable & { truncated?: boolean | undefined; }
     info; // $ExpectType FileInfo
 });
 bb.prependListener("field", (name, value, info) => {
@@ -219,7 +219,7 @@ bb.prependListener(Symbol("foo"), foo => {
 
 bb.prependOnceListener("file", (name, stream, info) => {
     name; // $ExpectType string
-    stream; // $ExpectType Readable
+    stream; // $ExpectType Readable & { truncated?: boolean | undefined; }
     info; // $ExpectType FileInfo
 });
 bb.prependOnceListener("field", (name, value, info) => {
diff --git a/types/busboy/index.d.ts b/types/busboy/index.d.ts
index ee3bffdf7f7fb0..6873698001be1d 100644
--- a/types/busboy/index.d.ts
+++ b/types/busboy/index.d.ts
@@ -155,7 +155,7 @@ declare namespace busboy {
          * @param listener.transferEncoding Contains the 'Content-Transfer-Encoding' value for the file stream.
          * @param listener.mimeType Contains the 'Content-Type' value for the file stream.
          */
-        file: (name: string, stream: Readable, info: FileInfo) => void;
+        file: (name: string, stream: Readable & { truncated?: boolean }, info: FileInfo) => void;
 
         /**
          * Emitted for each new non-file field found.