diff --git a/metadata/org.segin.ttleditor.txt b/metadata/org.segin.ttleditor.txt
index 1ae43aeb29..2c54344e6f 100644
--- a/metadata/org.segin.ttleditor.txt
+++ b/metadata/org.segin.ttleditor.txt
@@ -22,10 +22,7 @@ Build:1.0.8,10
     gradle=yes
     srclibs=RootTools@3.4
     rm=app/libs/RootTools.jar
-    prebuild=pushd $$RootTools$$/RootTools && \
-        gradle makejar && \
-        popd && \
-        cp $$RootTools$$/RootTools/build/bundles/release/classes.jar libs/roottools-3.4.jar
+    prebuild=cp -fR $$RootTools$$/RootTools/src/main/java src/main/
 
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