diff --git a/ts/00_commitinfo_data.ts b/ts/00_commitinfo_data.ts
index 7f1c5c3..5673d01 100644
--- a/ts/00_commitinfo_data.ts
+++ b/ts/00_commitinfo_data.ts
@@ -3,6 +3,6 @@
  */
 export const commitinfo = {
   name: '@push.rocks/smartstream',
-  version: '3.0.27',
+  version: '3.0.28',
   description: 'simplifies access to node streams'
 }
diff --git a/ts/smartstream.classes.smartduplex.ts b/ts/smartstream.classes.smartduplex.ts
index dc4bbe2..2d5b02a 100644
--- a/ts/smartstream.classes.smartduplex.ts
+++ b/ts/smartstream.classes.smartduplex.ts
@@ -66,6 +66,15 @@ export class SmartDuplex<TInput = any, TOutput = any> extends Duplex {
     }
   }
 
+  public async backpressuredPush (pushArg: TOutput) {
+    const canPushMore = this.backpressuredArray.push(pushArg);
+    if (!canPushMore) {
+      this.debugLog(`${this.options.name}: cannot push more`);
+      await this.backpressuredArray.waitForSpace();
+      this.debugLog(`${this.options.name}: can push more again`);
+    }
+  };
+
   private asyncWritePromiseObjectmap = new plugins.lik.ObjectMap<Promise<any>>();
   // Ensure the _write method types the chunk as TInput and encodes TOutput
   public async _write(chunk: TInput, encoding: string, callback: (error?: Error | null) => void) {
@@ -81,13 +90,8 @@ export class SmartDuplex<TInput = any, TOutput = any> extends Duplex {
         callback();
       },
       push: async (pushArg: TOutput) => {
-        const canPushMore = this.backpressuredArray.push(pushArg);
-        if (!canPushMore) {
-          this.debugLog(`${this.options.name}: cannot push more`);
-          await this.backpressuredArray.waitForSpace();
-          this.debugLog(`${this.options.name}: can push more again`);
-        }
-      },
+        await this.backpressuredPush(pushArg);
+      }
     };
 
     try {