diff --git a/bin/copy-trilium.sh b/bin/copy-trilium.sh
index 624defa90..569ff152a 100755
--- a/bin/copy-trilium.sh
+++ b/bin/copy-trilium.sh
@@ -7,44 +7,42 @@ fi
 
 n exec 18.18.2 npm run webpack
 
-DIR=$1
+DIR="$1"
 
-rm -rf $DIR
-mkdir $DIR
+rm -rf "$DIR"
+mkdir -v "$DIR"
 
 echo "Copying Trilium to build directory $DIR"
 
-cp -r images $DIR/
-cp -r libraries $DIR/
-cp -r src $DIR/
-cp -r db $DIR/
-cp -r package.json $DIR/
-cp -r package-lock.json $DIR/
-cp -r README.md $DIR/
-cp -r LICENSE $DIR/
-cp -r config-sample.ini $DIR/
-cp -r electron.js $DIR/
-cp webpack-* $DIR/
+for d in 'images' 'libraries' 'src' 'db'; do
+    cp -r "$d" "$DIR"/
+done
+for f in 'package.json' 'package-lock.json' 'README.md' 'LICENSE' 'config-sample.ini' 'electron.js'; do
+    cp "$f" "$DIR"/
+done
+cp webpack-* "$DIR"/      # here warning because there is no 'webpack-*', but webpack.config.js only
 
 # run in subshell (so we return to original dir)
 (cd $DIR && n exec 18.18.2 npm install --only=prod)
 
+if [[ -d "$DIR"/node_modules ]]; then
 # cleanup of useless files in dependencies
-rm -r $DIR/node_modules/image-q/demo
-rm -r $DIR/node_modules/better-sqlite3/Release
-rm -r $DIR/node_modules/better-sqlite3/deps/sqlite3.tar.gz
-rm -r $DIR/node_modules/@jimp/plugin-print/fonts
-rm -r $DIR/node_modules/jimp/browser
-rm -r $DIR/node_modules/jimp/fonts
+    for d in 'image-q/demo' 'better-sqlite3/Release' 'better-sqlite3/deps/sqlite3.tar.gz' '@jimp/plugin-print/fonts' 'jimp/browser' 'jimp/fonts'; do
+        [[ -e "$DIR"/node_modules/"$d" ]] && rm -rv "$DIR"/node_modules/"$d"
+    done
 
 # delete all tests (there are often large images as test file for jimp etc.)
-find $DIR/node_modules -name test -exec rm -rf {} \;
-find $DIR/node_modules -name docs -exec rm -rf {} \;
-find $DIR/node_modules -name demo -exec rm -rf {} \;
+    for d in 'test' 'docs' 'demo'; do
+        find "$DIR"/node_modules -name "$d" -exec rm -rf {} \;
+    done
+fi
 
 find $DIR/libraries -name "*.map" -type f -delete
 
-cp $DIR/src/public/app/share.js $DIR/src/public/app-dist/
-cp -r $DIR/src/public/app/doc_notes $DIR/src/public/app-dist/
+d="$DIR"/src/public
+[[ -d "$d"/app-dist ]] || mkdir -pv "$d"/app-dist
+cp -v "$d"/app/share.js "$d"/app-dist/
+cp -rv "$d"/app/doc_notes "$d"/app-dist/
 
-rm -rf $DIR/src/public/app
+rm -rf "$d"/app
+unset f d DIR