diff --git a/eclipse.spec b/eclipse.spec
index 5edbf62..f63c76b 100644
--- a/eclipse.spec
+++ b/eclipse.spec
@@ -742,7 +742,7 @@ mkdir -p icu4j-build-temp
 pushd icu4j-build-temp
 unzip -qq %{SOURCE7} 
 sed --in-place "s/ .*bootclasspath=.*//g" build.xml
-ant eclipseProjects
+ant -d eclipseProjects
 popd
 
 mkdir -p icu4j-build