diff --git a/pino/pino.d.ts b/pino/pino.d.ts
index 1d7049cf05..0a51c49275 100644
--- a/pino/pino.d.ts
+++ b/pino/pino.d.ts
@@ -41,8 +41,8 @@ declare module 'pino' {
     }
 
     interface Pino {
-        (optionsOrStream?: LoggerOptions | stream.Writable): Logger
-        (options: LoggerOptions, stream: stream.Writable): Logger
+        (optionsOrStream?: LoggerOptions | stream.Writable | stream.Readable): Logger
+        (options: LoggerOptions, stream: stream.Writable | stream.Readable): Logger
         levels: {
             values: LevelLabelsToValues
             labels: LevelValuesToLabels