diff --git a/tools/java/cpp-build/pom.xml b/tools/java/cpp-build/pom.xml
index 05ed99842..a9133af7c 100644
--- a/tools/java/cpp-build/pom.xml
+++ b/tools/java/cpp-build/pom.xml
@@ -29,7 +29,7 @@
         <configuration>
           <source>11</source>
 	        <target>11</target>
-	  <encoding>UTF-8</encoding>
+	        <encoding>UTF-8</encoding>
         </configuration>
       </plugin>
       <!-- Create a directory called 'generated'. -->
diff --git a/tools/java/data/pom.xml b/tools/java/data/pom.xml
index feace845a..1c161e3b1 100644
--- a/tools/java/data/pom.xml
+++ b/tools/java/data/pom.xml
@@ -51,7 +51,7 @@
         <configuration>
           <source>11</source>
 	        <target>11</target>
-	  <encoding>UTF-8</encoding>
+	        <encoding>UTF-8</encoding>
         </configuration>
       </plugin>
       <plugin>
diff --git a/tools/java/java-build/pom.xml b/tools/java/java-build/pom.xml
index 32e284b77..a87ec0b7d 100644
--- a/tools/java/java-build/pom.xml
+++ b/tools/java/java-build/pom.xml
@@ -51,7 +51,7 @@
         <configuration>
           <source>11</source>
 	        <target>11</target>
-	  <encoding>UTF-8</encoding>
+	        <encoding>UTF-8</encoding>
         </configuration>
       </plugin>
       <plugin>