diff --git a/sources/pom.xml b/sources/pom.xml
index 16351f90c..c8f63eca6 100644
--- a/sources/pom.xml
+++ b/sources/pom.xml
@@ -345,10 +345,10 @@
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-compiler-plugin</artifactId>
                 <version>3.7.0</version>
-				<configuration>
+                  <configuration>
                     <excludes>
                         <exclude>org/spigotmc/CaseInsensitiveHashingStrategy.java</exclude>
-						<exclude>org/spigotmc/CaseInsensitiveMap.java</exclude>
+                        <exclude>org/spigotmc/CaseInsensitiveMap.java</exclude>
                     </excludes>
                 </configuration>
             </plugin>