diff --git a/maven-plugin-plugin/src/it/java-basic-annotations-jdk8/pom.xml b/maven-plugin-plugin/src/it/java-basic-annotations-jdk8/pom.xml
index 2c5dd7f..0531c7d 100644
--- a/maven-plugin-plugin/src/it/java-basic-annotations-jdk8/pom.xml
+++ b/maven-plugin-plugin/src/it/java-basic-annotations-jdk8/pom.xml
@@ -36,6 +36,8 @@ under the License.
 
   <properties>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    <!-- pom properties values not taken into account since invoker defines properties -->
+    <!-- that override what's defined in pom -->
     <maven.compiler.source>1.8</maven.compiler.source>
     <maven.compiler.target>1.8</maven.compiler.target>
   </properties>
@@ -71,6 +73,10 @@ under the License.
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-compiler-plugin</artifactId>
           <version>3.1</version>
+          <configuration>
+            <source>1.8</source><!-- avoid ${maven.compiler.source} since value is not as expected -->
+            <target>1.8</target><!-- avoid ${maven.compiler.target} since value is not as expected -->
+          </configuration>
         </plugin>
       </plugins>
     </pluginManagement>