diff --git a/pom.xml b/pom.xml
index 75fa9ceb3612..fc008cbda9ae 100755
--- a/pom.xml
+++ b/pom.xml
@@ -731,6 +731,9 @@
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-javadoc-plugin</artifactId>
           <version>${maven.javadoc.version}</version>
+          <configuration>
+            <source>${compileSource}</source>
+          </configuration>
         </plugin>
         <!-- Test oriented plugins -->
         <plugin>