diff --git a/overlay.d/05core/usr/lib/dracut/modules.d/40ignition-ostree/ignition-ostree-growfs.service b/overlay.d/05core/usr/lib/dracut/modules.d/40ignition-ostree/ignition-ostree-growfs.service
index e005657f1b..30f02b939d 100644
--- a/overlay.d/05core/usr/lib/dracut/modules.d/40ignition-ostree/ignition-ostree-growfs.service
+++ b/overlay.d/05core/usr/lib/dracut/modules.d/40ignition-ostree/ignition-ostree-growfs.service
@@ -2,6 +2,9 @@
 Description=Ignition OSTree: Grow root filesystem
 DefaultDependencies=false
 ConditionKernelCommandLine=ostree
+# Similar to the other mount rules, suppress invocation if we detect
+# we are running from a legacy setup created by Anaconda.
+ConditionKernelCommandLine=!root
 ConditionPathExists=!/run/ostree-live
 Before=initrd-root-fs.target
 After=ignition-ostree-mount-firstboot-sysroot.service