diff --git a/elements/rhel-common/os-refresh-config/pre-configure.d/06-rhel-registration b/elements/rhel-common/os-refresh-config/pre-configure.d/06-rhel-registration
index f85569f81..9fb71b679 100755
--- a/elements/rhel-common/os-refresh-config/pre-configure.d/06-rhel-registration
+++ b/elements/rhel-common/os-refresh-config/pre-configure.d/06-rhel-registration
@@ -1,5 +1,5 @@
 #!/bin/bash
-set -eux
+set -eu
 set -o pipefail
 
 REG_ACTIVATION_KEY="$(os-apply-config --key rh_registration.activation_key --type raw --key-default '')"
diff --git a/elements/rhel-common/pre-install.d/00-rhel-registration b/elements/rhel-common/pre-install.d/00-rhel-registration
index ced9529dc..24528106f 100755
--- a/elements/rhel-common/pre-install.d/00-rhel-registration
+++ b/elements/rhel-common/pre-install.d/00-rhel-registration
@@ -1,5 +1,5 @@
 #!/bin/bash
-set -eux
+set -eu
 set -o pipefail
 
 opts=