diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 64c3f79d..8bd70503 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -25,6 +25,7 @@ jobs:
           - {name: "archlinux", tag: "latest", variant: "-lts"}
           - {name: "archlinux", tag: "latest", variant: "-zen"}
           - {name: "centos/centos", tag: "stream9", url: "quay.io/"}
+          - {name: "centos/centos", tag: "stream10", url: "quay.io/"}
           - {name: "debian", tag: "testing"}
           - {name: "debian", tag: "12"}
           - {name: "fedora/fedora", tag: "rawhide", url: "quay.io/"}
diff --git a/redhat_kernel_install.d.in b/redhat_kernel_install.d.in
index 14c54f25..1c9f72c9 100644
--- a/redhat_kernel_install.d.in
+++ b/redhat_kernel_install.d.in
@@ -6,8 +6,10 @@ KERNEL_VERSION=$2
 case "$COMMAND" in
     add)
         dkms kernel_postinst --kernelver $KERNEL_VERSION
+        res=$?
         ;;
     remove)
         dkms kernel_prerm --kernelver $KERNEL_VERSION
+        res=$?
         ;;
 esac