diff --git a/build/build.xml b/build/build.xml
index 565c1618f..f916196a8 100644
--- a/build/build.xml
+++ b/build/build.xml
@@ -329,7 +329,7 @@
       <option value="-Dcom.apple.smallTabs=true"/>
       <option value="-Dcom.apple.macos.useScreenMenuBar=true"/>
       <option value="-DAPP_DIR=$APP_ROOT/Contents/Java"/>
-      <option value="-Djava.ext.dirs=$JVM_RUNTIME/Contents/Home/jre/lib/ext/"/>
+      <option value="-Djava.ext.dirs=$JVM_RUNTIME/Contents/Home/lib/ext/:$JVM_RUNTIME/Contents/Home/jre/lib/ext/"/>
 
       <!--
       <option value="-Dapple.awt.showGrowBox=false"/>