diff --git a/scripts/archive_and_compress.sh b/scripts/archive_and_compress.sh
index b4648d2..6b282eb 100755
--- a/scripts/archive_and_compress.sh
+++ b/scripts/archive_and_compress.sh
@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
 source=$1
 destinationPart=${1%/}; # cut off trailing "/"
-# tar cfv $destinationPart.tar $source && xz $destinationPart.tar;
-tar c -I"xz -v" -vf $destinationPart.tar.xz $source
+# tar cfv "$destinationPart.tar" "$source" && xz "$destinationPart.tar";
+tar c -I"xz -v" -vf "$destinationPart.tar.xz" "$source"
diff --git a/scripts/decompress_and_unarchive.sh b/scripts/decompress_and_unarchive.sh
index e2ed14c..ddff8ca 100755
--- a/scripts/decompress_and_unarchive.sh
+++ b/scripts/decompress_and_unarchive.sh
@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
 source=$1;
 # archive=${source%.xz}; # cut off trailing ".xz"
-# unxz $source && tar xfv $archive
-tar x -I"unxz -v" -vf $source
+# unxz "$source" && tar xfv "$archive"
+tar x -I"unxz -v" -vf "$source"