diff --git a/dev/builder/build.sh b/dev/builder/build.sh
index deb5404..4f92ec5 100755
--- a/dev/builder/build.sh
+++ b/dev/builder/build.sh
@@ -54,7 +54,7 @@ cd ../..
 echo ""
 echo "Starting CKBuilder..."
 
-java -jar ckbuilder/$CKBUILDER_VERSION/ckbuilder.jar --build ../../ release --version="4.0 DEV" --build-config build-config.js --overwrite "$@"
+java -jar ckbuilder/$CKBUILDER_VERSION/ckbuilder.jar --build ../../ release --version="4.0 DEV" --build-config build-config.js --overwrite --leave-js-unminified --leave-css-unminified "$@"
 
 echo ""
 echo "Release created in the \"release\" directory."