diff --git a/zdev/dracut/95zdev-kdump/module-setup.sh b/zdev/dracut/95zdev-kdump/module-setup.sh
index 0bab9af2..300b8e97 100755
--- a/zdev/dracut/95zdev-kdump/module-setup.sh
+++ b/zdev/dracut/95zdev-kdump/module-setup.sh
@@ -22,7 +22,7 @@ check() {
     source "${moddir:?}/../95zdev/zdev-lib.sh"
 
     # Ensure this module is only included when building kdump initrd
-    is_kdump || return 1
+    zdev_is_kdump || return 1
 
     # Ensure that required tools are available
     require_binaries chzdev || return 1
diff --git a/zdev/dracut/95zdev/module-setup.sh b/zdev/dracut/95zdev/module-setup.sh
index a47495dc..7837890b 100644
--- a/zdev/dracut/95zdev/module-setup.sh
+++ b/zdev/dracut/95zdev/module-setup.sh
@@ -25,7 +25,7 @@ check() {
 
     # Leave kdump device configuration to module zdev-kdump to
     # ensure a minimal device footprint
-    is_kdump && return 1
+    zdev_is_kdump && return 1
 
     # Ensure that required tools are available
     require_binaries chzdev lszdev /lib/s390-tools/zdev_id || return 1
diff --git a/zdev/dracut/95zdev/zdev-lib.sh b/zdev/dracut/95zdev/zdev-lib.sh
index 9f774435..a7f729f0 100644
--- a/zdev/dracut/95zdev/zdev-lib.sh
+++ b/zdev/dracut/95zdev/zdev-lib.sh
@@ -10,7 +10,7 @@
 #
 # shellcheck shell=bash
 
-is_kdump() {
+zdev_is_kdump() {
     # https://src.fedoraproject.org/rpms/kexec-tools/c/4eedcae5e1540690a3761857fe2e692774c44960
     # https://src.fedoraproject.org/rpms/kexec-tools/blob/rawhide/f/mkdumprd
     # https://src.fedoraproject.org/rpms/kexec-tools/blob/rawhide/f/dracut-module-setup.sh