diff --git a/clickhouse-admin/src/context.rs b/clickhouse-admin/src/context.rs
index aca948614c..96f5a18f07 100644
--- a/clickhouse-admin/src/context.rs
+++ b/clickhouse-admin/src/context.rs
@@ -12,9 +12,8 @@ use clickhouse_admin_types::{
     CLICKHOUSE_KEEPER_CONFIG_FILE, CLICKHOUSE_SERVER_CONFIG_DIR,
     CLICKHOUSE_SERVER_CONFIG_FILE,
 };
-use dropshot::HttpError;
+use dropshot::{ClientErrorStatusCode, HttpError};
 use flume::{Receiver, Sender, TrySendError};
-use http::StatusCode;
 use illumos_utils::svcadm::Svcadm;
 use omicron_common::address::CLICKHOUSE_TCP_PORT;
 use omicron_common::api::external::Generation;
@@ -340,7 +339,7 @@ fn generate_config_and_enable_svc(
         if current > incoming_generation {
             return Err(HttpError::for_client_error(
                 Some(String::from("Conflict")),
-                StatusCode::CONFLICT,
+                ClientErrorStatusCode::CONFLICT,
                 format!(
                     "current generation '{}' is greater than incoming generation '{}'",
                     current,
diff --git a/clickhouse-admin/src/http_entrypoints.rs b/clickhouse-admin/src/http_entrypoints.rs
index 754266d402..15d025c17b 100644
--- a/clickhouse-admin/src/http_entrypoints.rs
+++ b/clickhouse-admin/src/http_entrypoints.rs
@@ -11,10 +11,10 @@ use clickhouse_admin_types::{
     SystemTimeSeriesSettings, TimeSeriesSettingsQuery,
 };
 use dropshot::{
-    ApiDescription, HttpError, HttpResponseCreated, HttpResponseOk,
-    HttpResponseUpdatedNoContent, Path, Query, RequestContext, TypedBody,
+    ApiDescription, ClientErrorStatusCode, HttpError, HttpResponseCreated,
+    HttpResponseOk, HttpResponseUpdatedNoContent, Path, Query, RequestContext,
+    TypedBody,
 };
-use http::StatusCode;
 use omicron_common::api::external::Generation;
 use std::sync::Arc;
 
@@ -59,7 +59,7 @@ impl ClickhouseAdminServerApi for ClickhouseAdminServerImpl {
             None => {
                 return Err(HttpError::for_client_error(
                     Some(String::from("ObjectNotFound")),
-                    StatusCode::NOT_FOUND,
+                    ClientErrorStatusCode::NOT_FOUND,
                     "no generation number found".to_string(),
                 ))
             }
@@ -125,7 +125,7 @@ impl ClickhouseAdminKeeperApi for ClickhouseAdminKeeperImpl {
             None => {
                 return Err(HttpError::for_client_error(
                     Some(String::from("ObjectNotFound")),
-                    StatusCode::NOT_FOUND,
+                    ClientErrorStatusCode::NOT_FOUND,
                     "no generation number found".to_string(),
                 ))
             }