diff --git a/pom.xml b/pom.xml
index 57bd66292..aaec7823e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -150,12 +150,12 @@
                     <formats>
                         <format>
                             <includes>
-                                <include>src/**</include>
+                                <include>src/**/java/**/*.java</include>
                             </includes>
                             <trimTrailingWhitespace/>
                             <endWithNewline/>
                             <indent>
-                                <tabs>true</tabs>
+                                <spaces>true</spaces>
                                 <spacesPerTab>4</spacesPerTab>
                             </indent>
                         </format>
@@ -180,4 +180,4 @@
         </plugins>
     </build>
     
-</project>
\ No newline at end of file
+</project>