diff --git a/CHANGELOG.md b/CHANGELOG.md
index 01efa6e0..c800ba20 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,8 @@
 
 ### Bug Fixes ###
 
+* Issue [379](https://github.com/jmeter-maven-plugin/jmeter-maven-plugin/issues/379) Add the ability to supply a filename on the command line when starting up JMeter in GUI mode
+
 ## Version 3.1.0 Release Notes (19 May 2020)
 
 ### Enhancements ###
diff --git a/README.md b/README.md
index 2fa26fd9..bdaa4e3c 100644
--- a/README.md
+++ b/README.md
@@ -34,6 +34,12 @@ Once you have added the plugin to your project you will be able to invoke the JM
 mvn jmeter:configure jmeter:gui
 ```
 
+If you want to preload a test, you can specify it on the command line:
+
+```
+mvn jmeter:configure jmeter:gui -DguiTestFile=src/test/jmeter/test.jmx
+```
+
 If you haven't added the plugin to your project you can still invoke it (provided you have a valid pom.xml in your project) by using the following:
 
 ```
diff --git a/src/main/java/com/lazerycode/jmeter/mojo/AbstractJMeterMojo.java b/src/main/java/com/lazerycode/jmeter/mojo/AbstractJMeterMojo.java
index 286938cd..620bca59 100644
--- a/src/main/java/com/lazerycode/jmeter/mojo/AbstractJMeterMojo.java
+++ b/src/main/java/com/lazerycode/jmeter/mojo/AbstractJMeterMojo.java
@@ -132,7 +132,6 @@ public abstract class AbstractJMeterMojo extends AbstractMojo {
     @Parameter(defaultValue = "${settings}", readonly = true)
     protected Settings settings;
 
-
     /**
      * Value class that wraps all proxy configurations.
      */
diff --git a/src/main/java/com/lazerycode/jmeter/mojo/RunJMeterGUIMojo.java b/src/main/java/com/lazerycode/jmeter/mojo/RunJMeterGUIMojo.java
index ca7dfa0c..14182e22 100644
--- a/src/main/java/com/lazerycode/jmeter/mojo/RunJMeterGUIMojo.java
+++ b/src/main/java/com/lazerycode/jmeter/mojo/RunJMeterGUIMojo.java
@@ -30,7 +30,7 @@ public class RunJMeterGUIMojo extends AbstractJMeterMojo {
     /**
      * Supply a test file to open in the GUI once it is loaded.
      */
-    @Parameter
+    @Parameter(defaultValue = "${guiTestFile}")
     private File guiTestFile;
 
     /**