diff --git a/plugins/checks/install b/plugins/checks/install
index be3feb8d3..28185822a 100755
--- a/plugins/checks/install
+++ b/plugins/checks/install
@@ -6,8 +6,8 @@ source "$PLUGIN_AVAILABLE_PATH/config/functions"
 migrate_checks_vars_0_5_0() {
   declare desc="migrates deprecated CHECKS config variables to simplified counter part introduced in 0.5.x"
   local APPS="$(dokku_apps)"
-  local GLOBAL_SKIP_ALL_CHECKS=$(dokku config:get --global DOKKU_SKIP_ALL_CHECKS || true)
-  local GLOBAL_SKIP_DEFAULT_CHECKS=$(dokku config:get --global DOKKU_SKIP_DEFAULT_CHECKS || true)
+  local GLOBAL_SKIP_ALL_CHECKS=$(config_get --global DOKKU_SKIP_ALL_CHECKS || true)
+  local GLOBAL_SKIP_DEFAULT_CHECKS=$(config_get --global DOKKU_SKIP_DEFAULT_CHECKS || true)
 
   local app
 
@@ -16,8 +16,8 @@ migrate_checks_vars_0_5_0() {
   dokku_log_info2 "Please use dokku checks:[disable|enable] <app> to control zero downtime functionality"
 
   for app in $APPS; do
-    local APP_SKIP_ALL_CHECKS=$(dokku config:get "$app" DOKKU_SKIP_ALL_CHECKS || true)
-    local APP_SKIP_DEFAULT_CHECKS=$(dokku config:get "$app" DOKKU_SKIP_DEFAULT_CHECKS || true)
+    local APP_SKIP_ALL_CHECKS=$(config_get "$app" DOKKU_SKIP_ALL_CHECKS || true)
+    local APP_SKIP_DEFAULT_CHECKS=$(config_get "$app" DOKKU_SKIP_DEFAULT_CHECKS || true)
 
     if [[ "$APP_SKIP_ALL_CHECKS" == "true" ]] || [[ "$APP_SKIP_DEFAULT_CHECKS" == "true" ]] || [[ "$GLOBAL_SKIP_ALL_CHECKS" == "true" ]] || [[ "$GLOBAL_SKIP_DEFAULT_CHECKS" == "true" ]]; then
       dokku_log_info2 ""
@@ -48,9 +48,9 @@ migrate_checks_vars_0_6_0() {
   dokku_log_info1 "Migrating zero downtime env variables to 0.6.x. The following variables will be migrated"
   dokku_log_info2 "DOKKU_CHECKS_ENABLED -> DOKKU_CHECKS_SKIPPED"
   for app in $APPS; do
-    local APP_DOKKU_CHECKS_ENABLED=$(dokku config:get "$app" DOKKU_CHECKS_ENABLED || true)
+    local APP_DOKKU_CHECKS_ENABLED=$(config_get "$app" DOKKU_CHECKS_ENABLED || true)
     if [[ $APP_DOKKU_CHECKS_ENABLED ]]; then
-      if [[ "$DOKKU_CHECKS_ENABLED" == "0" ]]; then
+      if [[ "$APP_DOKKU_CHECKS_ENABLED" == "0" ]]; then
         dokku_log_info2 ""
         dokku_log_info2 "zero downtime checks disabled for app ($app)"
         config_set --no-restart "$app" DOKKU_CHECKS_SKIPPED="_all_"