diff --git a/maven-plugin-testing-harness/src/main/java/org/apache/maven/plugin/testing/ArtifactStubFactory.java b/maven-plugin-testing-harness/src/main/java/org/apache/maven/plugin/testing/ArtifactStubFactory.java
index 7e40d73..cf5c69e 100644
--- a/maven-plugin-testing-harness/src/main/java/org/apache/maven/plugin/testing/ArtifactStubFactory.java
+++ b/maven-plugin-testing-harness/src/main/java/org/apache/maven/plugin/testing/ArtifactStubFactory.java
@@ -196,7 +196,7 @@ public class ArtifactStubFactory
         if ( workingDir == null )
         {
             throw new IllegalArgumentException(
-                                                "The workingDir must be set if trying to create an actual artifact file." );
+                                                "The workingDir must be set." );
         }
 
         String fileName = getFormattedFileName( artifact, false );