diff --git a/dracut/30ignition/99-xx-ignition-systemd-cryptsetup.rules b/dracut/30ignition/99-xx-ignition-systemd-cryptsetup.rules
index 8c03508..041b286 100644
--- a/dracut/30ignition/99-xx-ignition-systemd-cryptsetup.rules
+++ b/dracut/30ignition/99-xx-ignition-systemd-cryptsetup.rules
@@ -3,6 +3,6 @@ SUBSYSTEM!="block", GOTO="systemd_cryptsetup_end"
 # This overrides systemd default behavior from 99-systemd.rules, which ignores unformatted crypto devices.
 # https://github.com/systemd/systemd/commit/90e6abaea0cfd25093aae1ad862c5c909ae55829
 # Ignition relies on unformatted crypto devices being discovered to trigger formatting
-SUBSYSTEM=="block", ENV{DM_UUID}=="CRYPT-*", ENV{ID_PART_TABLE_TYPE}=="", ENV{ID_FS_USAGE}=="", ENV{SYSTEMD_READY}:="1"
+SUBSYSTEM=="block", ENV{DM_UUID}=="CRYPT-*", ENV{ID_PART_TABLE_TYPE}=="", ENV{ID_FS_USAGE}=="", ENV{SYSTEMD_READY}="1"
 
 LABEL="systemd_cryptsetup_end"