diff --git a/typescripts/sd_tab/sd_tab.tsx b/typescripts/sd_tab/sd_tab.tsx
index 7e3acba5..9257763d 100644
--- a/typescripts/sd_tab/sd_tab.tsx
+++ b/typescripts/sd_tab/sd_tab.tsx
@@ -38,6 +38,8 @@ import {
     onHeightSliderInput,
     heightSliderOnChangeEventHandler,
     loadPresetSettings,
+    
+    isHiResMode,
 } from './util'
 import { general } from '../util/oldSystem'
 import { requestSwapModel, setInpaintMaskWeight } from '../util/ts/sdapi'
@@ -1103,11 +1105,7 @@ class SDTab extends React.Component<{}> {
                                 class="checkbox"
                                 id="chHiResFixs"
                                 style={{
-                                    display: [ScriptMode.Txt2Img].includes(
-                                        store.data.rb_mode
-                                    )
-                                        ? 'flex'
-                                        : 'none',
+                                    display: isHiResMode() ? 'flex' : 'none',
                                 }}
                                 checked={store.data.enable_hr}
                                 onClick={(evt: any) => {
@@ -1131,9 +1129,7 @@ class SDTab extends React.Component<{}> {
                             id="HiResDiv"
                             style={{
                                 display:
-                                    [ScriptMode.Txt2Img].includes(
-                                        store.data.rb_mode
-                                    ) && store.data.enable_hr
+                                    isHiResMode() && store.data.enable_hr
                                         ? void 0
                                         : 'none',
                             }}
diff --git a/typescripts/sd_tab/util.ts b/typescripts/sd_tab/util.ts
index 2bdd118b..b5b3ce39 100644
--- a/typescripts/sd_tab/util.ts
+++ b/typescripts/sd_tab/util.ts
@@ -714,6 +714,20 @@ export function loadPresetSettings(preset: any) {
         // io_ts.presetToStore(preset?.controlnet_tab_preset, store)
     }
 }
+export function isHiResMode() {
+    let is_hi_res_mode = false
+    if (settings_tab_ts.store.data.selected_backend === 'Automatic1111') {
+        is_hi_res_mode = [ScriptMode.Txt2Img].includes(store.data.rb_mode)
+    } else if (settings_tab_ts.store.data.selected_backend === 'ComfyUI') {
+        is_hi_res_mode = [
+            ScriptMode.Txt2Img,
+            ScriptMode.Img2Img,
+            ScriptMode.Inpaint,
+            ScriptMode.Outpaint,
+        ].includes(store.data.rb_mode)
+    }
+    return is_hi_res_mode
+}
 
 export default {
     store: store,