diff -urEwbB fop-2.10/fop/build.xml fop-2.10/fop/build.xml
--- fop-2.10/fop/build.xml	2024-10-11 13:58:44.468271086 +0200
+++ fop-2.10/fop/build.xml	2024-10-11 14:04:37.160704185 +0200
@@ -185,7 +186,7 @@
     <javac fork="${javac.fork}"
       debug="${javac.debug}"
       deprecation="${javac.deprecation}"
-      optimize="${javac.optimize}"
+      optimize="${javac.optimize}" encoding="utf-8"
       source="${javac.source}" target="${javac.target}"/>
   </presetdef>