diff --git a/pom.xml b/pom.xml
index b5bb0f3d69..14f46807e1 100644
--- a/pom.xml
+++ b/pom.xml
@@ -316,6 +316,7 @@ xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xs
           </dependencies>
           <configuration>
             <configLocation>checkstyle/checkstyle.xml</configLocation>
+            <includeTestSourceDirectory>true</includeTestSourceDirectory>
             <failOnViolation>false</failOnViolation>
             <format>xml</format>
             <format>html</format>