diff --git a/pom.xml b/pom.xml
index 0e4fec71d..49ef805b3 100644
--- a/pom.xml
+++ b/pom.xml
@@ -168,6 +168,8 @@
                   <exclude>eclipse_codeformatter.xml</exclude>
                   <exclude>**/addons.scss</exclude>
                   <exclude>**/VAADIN/widgetsets/**</exclude>
+                  <exclude>.sonar</exclude>
+                  <exclude>**/.sonar/**</exclude>
                </excludes>
                <mapping>
                   <scss>JAVADOC_STYLE</scss>