diff --git a/maven-plugin-testing-harness/src/test/java/org/apache/maven/plugin/testing/MojoTestCaseTest.java b/maven-plugin-testing-harness/src/test/java/org/apache/maven/plugin/testing/MojoTestCaseTest.java
index e3b190c..edd0236 100644
--- a/maven-plugin-testing-harness/src/test/java/org/apache/maven/plugin/testing/MojoTestCaseTest.java
+++ b/maven-plugin-testing-harness/src/test/java/org/apache/maven/plugin/testing/MojoTestCaseTest.java
@@ -116,7 +116,7 @@
 
         mojo = (SimpleMojo) configureMojo( mojo, pluginConfiguration );
 
-        Map map = getVariablesAndValuesFromObject( mojo );
+        Map<String, Object> map = getVariablesAndValuesFromObject( mojo );
 
         assertEquals( "valueOne", (String)map.get( "keyOne" ) );