diff --git a/extract-docker.sh b/extract-docker.sh
index 53c4927..f4c10ea 100755
--- a/extract-docker.sh
+++ b/extract-docker.sh
@@ -12,5 +12,5 @@ fi
 image=$1
 dir=$2
 
-rm -rf $dir
+rm -rf $(echo $dir | sed 's,^/,,')
 docker run --rm $image tar -cf - $dir | tar -xvf -