diff --git a/functions.sh b/functions.sh
index 4414aa30..1b6d06a2 100644
--- a/functions.sh
+++ b/functions.sh
@@ -934,7 +934,7 @@ function cleanup_host {
     sudo find $BASE/logs -iname '*.txt' -execdir gzip -9 {} \+
     sudo find $BASE/logs -iname '*.dat' -execdir gzip -9 {} \+
     sudo find $BASE/logs -iname '*.conf' -execdir gzip -9 {} \+
-    sudo find $BASE/logs -iname '*.journal' -execdir gzip -9 {} \+
+    sudo find $BASE/logs -iname '*.journal' -execdir xz --threads=0 {} \+
 
     # Disable detailed logging as we return to the main script
     $xtrace