diff --git a/commons/pom.xml b/commons/pom.xml
index 844f3e42..07610083 100644
--- a/commons/pom.xml
+++ b/commons/pom.xml
@@ -1,6 +1,6 @@
 
 <?xml version="1.0"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
 <parent>
   <groupId>org.archive</groupId>
   <artifactId>heritrix</artifactId>
@@ -327,5 +327,8 @@
         </configuration>
       </plugin>
     </plugins>
-  </build>
+  </build>
+<properties>
+  <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+</properties>
 </project>
diff --git a/commons/src/test/java/org/archive/net/UURIFactoryTest.java b/commons/src/test/java/org/archive/net/UURIFactoryTest.java
index a83b0821..9fe3b55f 100644
--- a/commons/src/test/java/org/archive/net/UURIFactoryTest.java
+++ b/commons/src/test/java/org/archive/net/UURIFactoryTest.java
@@ -905,6 +905,11 @@ public class UURIFactoryTest extends TestCase {
         String puny2 = "http://www.xn--plse-gra.dk/";
         assertEquals("encoding of " + idn2, puny2, UURIFactory
                 .getInstance(idn2).toString());
+        // http://例子.測試
+        String idn3 = "http://\u4F8B\u5B50.\u6E2C\u8A66";
+        String puny3 = "http://xn--fsqu00a.xn--g6w251d/";
+        assertEquals("encoding of " + idn3, puny3, UURIFactory
+                .getInstance(idn3).toString());
     }
     
     public void testNewLineInURL() throws URIException {
diff --git a/dist/pom.xml b/dist/pom.xml
index e97204aa..ec958e9b 100644
--- a/dist/pom.xml
+++ b/dist/pom.xml
@@ -133,5 +133,8 @@
      </plugin>
      
     </plugins>
-  </build>
-</project>
+  </build>
+  <properties>
+    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+  </properties>
+ </project>
diff --git a/engine/pom.xml b/engine/pom.xml
index 043d6623..398685fe 100644
--- a/engine/pom.xml
+++ b/engine/pom.xml
@@ -146,5 +146,8 @@
         </configuration>
       </plugin>
     </plugins>
-  </build>
+  </build>
+  <properties>
+    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+  </properties>
 </project>
diff --git a/modules/pom.xml b/modules/pom.xml
index 2fa0ee44..879f9a80 100644
--- a/modules/pom.xml
+++ b/modules/pom.xml
@@ -79,5 +79,8 @@ be used in applications other than Heritrix, however.
         </configuration>
       </plugin>
     </plugins>
-  </build>
+  </build>
+  <properties>
+    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+  </properties>
 </project>
diff --git a/pom.xml b/pom.xml
index 319dcfd7..e8b5f8d4 100644
--- a/pom.xml
+++ b/pom.xml
@@ -363,5 +363,7 @@ Heritrix is the Internet Archive's open-source, extensible, web-scale,
       </plugin>
     </plugins>
   </reporting>
-
+ <properties>
+    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+ </properties>
 </project>