diff --git a/scripts/create-swapfile.sh b/scripts/create-swapfile.sh
index f3989dc..b4c92f7 100755
--- a/scripts/create-swapfile.sh
+++ b/scripts/create-swapfile.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 
-set -eu
+set -eux
 
 for i in $(seq 1 5); do
     fallocate -v -l 1G /swapfile && break