diff --git a/src/protocol/native/org/apache/jmeter/protocol/system/NativeCommand.java b/src/protocol/native/org/apache/jmeter/protocol/system/NativeCommand.java
index 2d444cef26..4f688d4bb4 100644
--- a/src/protocol/native/org/apache/jmeter/protocol/system/NativeCommand.java
+++ b/src/protocol/native/org/apache/jmeter/protocol/system/NativeCommand.java
@@ -103,6 +103,8 @@ public class NativeCommand {
             if (stdin != null) {
                 swin = new StreamCopier(new FileInputStream(stdin), proc.getOutputStream());
                 swin.start();
+            } else {
+                proc.getOutputStream().close(); // ensure the application does not hang if it requests input
             }
             int exitVal = proc.waitFor();
 
diff --git a/xdocs/changes.xml b/xdocs/changes.xml
index 117b6fac63..b6c9e044d4 100644
--- a/xdocs/changes.xml
+++ b/xdocs/changes.xml
@@ -230,6 +230,7 @@ Previously the default was 1, which could cause unexpected additional traffic.
 <li><bugzilla>54913</bugzilla> - JMSPublisherGui incorrectly restores its state</li>
 <li><bugzilla>55027</bugzilla> - Test Action regression, duration value is not recorded (nightly build)</li>
 <li><bugzilla>55163</bugzilla> - BeanShellTestElement fails to quote string when calling testStarted(String)/testEnded(String)</li>
+<li><bugzilla>55349</bugzilla> - NativeCommand hangs if no input file is specified and the application requests input</li>
 </ul>
 
 <h3>Controllers</h3>