diff --git a/meta-facebook/meta-bletchley/recipes-bletchley/detect-gpio-present/files/bletchley-sled-insertion@.target b/meta-facebook/meta-bletchley/recipes-bletchley/detect-gpio-present/files/bletchley-sled-insertion@.target
index 6fef027..6b516a1 100644
--- a/meta-facebook/meta-bletchley/recipes-bletchley/detect-gpio-present/files/bletchley-sled-insertion@.target
+++ b/meta-facebook/meta-bletchley/recipes-bletchley/detect-gpio-present/files/bletchley-sled-insertion@.target
@@ -1,8 +1,8 @@
 [Unit]
 Description=Bletchlet SLED%i insertion target
 
-Requires=host-ac-on@%i.service
-After=host-ac-on@%i.service
+Requires=chassis-poweron@%i.service
+After=chassis-poweron@%i.service
 Requires=motor-init-calibration@%i.service
 After=motor-init-calibration@%i.service
 Conflicts=bletchley-sled-removed@%i.target
diff --git a/meta-facebook/meta-bletchley/recipes-bletchley/detect-gpio-present/files/bletchley-sled-removal@.target b/meta-facebook/meta-bletchley/recipes-bletchley/detect-gpio-present/files/bletchley-sled-removal@.target
index 55fd5c3..4fd5918 100644
--- a/meta-facebook/meta-bletchley/recipes-bletchley/detect-gpio-present/files/bletchley-sled-removal@.target
+++ b/meta-facebook/meta-bletchley/recipes-bletchley/detect-gpio-present/files/bletchley-sled-removal@.target
@@ -2,7 +2,7 @@
 Description=Bletchlet SLED%i removal target
 
 Conflicts=motor-init-calibration@%i.service
-Conflicts=host-ac-on@%i.service
+Conflicts=chassis-poweron@%i.service
 Conflicts=bletchley-sled-insertion@%i.target
 
 RefuseManualStop=yes
\ No newline at end of file