diff --git a/demo/plugins/plugin1/pom.xml b/demo/plugins/plugin1/pom.xml
index aa49ce1..8294ecf 100644
--- a/demo/plugins/plugin1/pom.xml
+++ b/demo/plugins/plugin1/pom.xml
@@ -54,7 +54,7 @@
                         <phase>package</phase>
                         <configuration>
                             <target>
-                                <unzip src="target/${artifactId}-${version}.${packaging}" dest="target/plugin-classes" />
+                                <unzip src="target/${project.artifactId}-${project.version}.${project.packaging}" dest="target/plugin-classes" />
                             </target>
                         </configuration>
                         <goals>
diff --git a/demo/plugins/plugin2/pom.xml b/demo/plugins/plugin2/pom.xml
index 6dfb363..a98285d 100644
--- a/demo/plugins/plugin2/pom.xml
+++ b/demo/plugins/plugin2/pom.xml
@@ -54,7 +54,7 @@
                         <phase>package</phase>
                         <configuration>
                             <target>
-                                <unzip src="target/${artifactId}-${version}.${packaging}" dest="target/plugin-classes" />
+                                <unzip src="target/${project.artifactId}-${project.version}.${project.packaging}" dest="target/plugin-classes" />
                             </target>
                         </configuration>
                         <goals>