diff --git a/datasets/populate b/datasets/populate
index 484f7b6eb..3f86a82fa 100755
--- a/datasets/populate
+++ b/datasets/populate
@@ -9,15 +9,13 @@ curl 'http://deai-313515.appspot.com.storage.googleapis.com/example_training_dat
 	tar --extract --strip-components=1
 
 # lungs ultrasound
+mkdir -p lus_covid
 curl 'https://drive.switch.ch/index.php/s/zM5ZrUWK3taaIly/download' > archive.zip
+ln -fs lus_covid DeAI-testimages # redirect top level dir
 unzip -u archive.zip
-rm -rf 'lungs ultrasound'
-mv DeAI-testimages 'lus_covid'
-rm archive.zip
+rm archive.zip DeAI-testimages
 
 # wikitext
 mkdir -p wikitext
-cd wikitext
 curl 'https://dax-cdn.cdn.appdomain.cloud/dax-wikitext-103/1.0.1/wikitext-103.tar.gz' |
-	tar --extract --gzip --strip-components=1
-cd ..
+	tar --extract --gzip --strip-components=1 -C wikitext