diff --git a/webi/bootstrap.bash b/webi/bootstrap.bash
index 5ddd4fb..13d34d9 100644
--- a/webi/bootstrap.bash
+++ b/webi/bootstrap.bash
@@ -39,7 +39,7 @@ fi
 if [ -n "\$(command -v git)" ]; then
 	my_ext="git,\$my_ext"
 fi
-if [ -n "\$(command -v unzip)" ]; then
+if [ -n "\$(command -v unxz)" ]; then
 	my_ext="xz,\$my_ext"
 fi
 if [ -n "\$(command -v unzip)" ]; then