diff --git a/gui/src/api/client.ts b/gui/src/api/client.ts
index b5928a72..9c2ea4e2 100644
--- a/gui/src/api/client.ts
+++ b/gui/src/api/client.ts
@@ -1,5 +1,6 @@
 import { doesExist, NotImplementedError } from '@apextoaster/js-utils';
-import { ConfigParams } from '../config';
+
+import { ConfigParams } from '../config.js';
 
 export interface BaseImgParams {
   /**
@@ -71,6 +72,16 @@ export interface ApiClient {
 
 export const STATUS_SUCCESS = 200;
 
+export function paramsFromConfig(defaults: ConfigParams): BaseImgParams {
+  return {
+    cfg: defaults.cfg.default,
+    negativePrompt: defaults.negativePrompt.default,
+    prompt: defaults.prompt.default,
+    steps: defaults.steps.default,
+    seed: defaults.seed.default,
+  };
+}
+
 export function equalResponse(a: ApiResponse, b: ApiResponse): boolean {
   return a.output === b.output;
 }
diff --git a/gui/src/components/Img2Img.tsx b/gui/src/components/Img2Img.tsx
index 84f6d989..167778f1 100644
--- a/gui/src/components/Img2Img.tsx
+++ b/gui/src/components/Img2Img.tsx
@@ -3,12 +3,12 @@ import { Box, Button, Stack } from '@mui/material';
 import * as React from 'react';
 import { useMutation, useQuery } from 'react-query';
 
-import { ApiClient, BaseImgParams } from '../api/client.js';
+import { ApiClient, BaseImgParams, paramsFromConfig } from '../api/client.js';
 import { ConfigParams, IMAGE_FILTER, STALE_TIME } from '../config.js';
 import { SCHEDULER_LABELS } from '../strings.js';
-import { ImageInput } from './ImageInput.js';
 import { ImageCard } from './ImageCard.js';
 import { ImageControl } from './ImageControl.js';
+import { ImageInput } from './ImageInput.js';
 import { MutationHistory } from './MutationHistory.js';
 import { NumericField } from './NumericField.js';
 import { QueryList } from './QueryList.js';
@@ -44,12 +44,7 @@ export function Img2Img(props: Img2ImgProps) {
 
   const [source, setSource] = useState<File>();
   const [strength, setStrength] = useState(config.strength.default);
-  const [params, setParams] = useState<BaseImgParams>({
-    cfg: config.cfg.default,
-    seed: config.seed.default,
-    steps: config.steps.default,
-    prompt: config.prompt.default,
-  });
+  const [params, setParams] = useState<BaseImgParams>(paramsFromConfig(config));
   const [scheduler, setScheduler] = useState(config.scheduler.default);
 
   return <Box>
diff --git a/gui/src/components/Inpaint.tsx b/gui/src/components/Inpaint.tsx
index d20c3e84..b3c2d633 100644
--- a/gui/src/components/Inpaint.tsx
+++ b/gui/src/components/Inpaint.tsx
@@ -4,12 +4,12 @@ import { Box, Button, Stack } from '@mui/material';
 import * as React from 'react';
 import { useMutation, useQuery } from 'react-query';
 
-import { ApiClient, ApiResponse, BaseImgParams, equalResponse } from '../api/client.js';
-import { Config, ConfigParams, DEFAULT_BRUSH, IMAGE_FILTER, STALE_TIME } from '../config.js';
+import { ApiClient, ApiResponse, BaseImgParams, equalResponse, paramsFromConfig } from '../api/client.js';
+import { ConfigParams, DEFAULT_BRUSH, IMAGE_FILTER, STALE_TIME } from '../config.js';
 import { SCHEDULER_LABELS } from '../strings.js';
-import { ImageInput } from './ImageInput.js';
 import { ImageCard } from './ImageCard.js';
 import { ImageControl } from './ImageControl.js';
+import { ImageInput } from './ImageInput.js';
 import { MutationHistory } from './MutationHistory.js';
 import { NumericField } from './NumericField.js';
 import { QueryList } from './QueryList.js';
@@ -165,12 +165,7 @@ export function Inpaint(props: InpaintProps) {
 
   const [mask, setMask] = useState<File>();
   const [source, setSource] = useState<File>();
-  const [params, setParams] = useState<BaseImgParams>({
-    cfg: config.cfg.default,
-    seed: config.seed.default,
-    steps: config.steps.default,
-    prompt: config.prompt.default,
-  });
+  const [params, setParams] = useState<BaseImgParams>(paramsFromConfig(config));
   const [scheduler, setScheduler] = useState(config.scheduler.default);
 
   useEffect(() => {
diff --git a/gui/src/components/Txt2Img.tsx b/gui/src/components/Txt2Img.tsx
index eb8f055d..5bc035b6 100644
--- a/gui/src/components/Txt2Img.tsx
+++ b/gui/src/components/Txt2Img.tsx
@@ -2,7 +2,7 @@ import { Box, Button, Stack } from '@mui/material';
 import * as React from 'react';
 import { useMutation, useQuery } from 'react-query';
 
-import { ApiClient, BaseImgParams } from '../api/client.js';
+import { ApiClient, BaseImgParams, paramsFromConfig } from '../api/client.js';
 import { ConfigParams, STALE_TIME } from '../config.js';
 import { SCHEDULER_LABELS } from '../strings.js';
 import { ImageCard } from './ImageCard.js';
@@ -42,12 +42,7 @@ export function Txt2Img(props: Txt2ImgProps) {
 
   const [height, setHeight] = useState(config.height.default);
   const [width, setWidth] = useState(config.width.default);
-  const [params, setParams] = useState<BaseImgParams>({
-    cfg: config.cfg.default,
-    seed: config.seed.default,
-    steps: config.steps.default,
-    prompt: config.prompt.default,
-  });
+  const [params, setParams] = useState<BaseImgParams>(paramsFromConfig(config));
   const [scheduler, setScheduler] = useState(config.scheduler.default);
 
   return <Box>
diff --git a/gui/src/main.tsx b/gui/src/main.tsx
index 0a9fb32f..8c6c9fb6 100644
--- a/gui/src/main.tsx
+++ b/gui/src/main.tsx
@@ -7,19 +7,19 @@ import { QueryClient, QueryClientProvider } from 'react-query';
 
 import { makeClient } from './api/client.js';
 import { OnnxWeb } from './components/OnnxWeb.js';
-import { ConfigParams, loadConfig } from './config.js';
+import { loadConfig } from './config.js';
 
 export async function main() {
   const config = await loadConfig();
   const client = makeClient(config.api.root);
   const params = await client.params();
-  const merged = merge(params, config.params) as ConfigParams;
-  const query = new QueryClient();
+  merge(params, config.params);
 
+  const query = new QueryClient();
   const appElement = mustExist(document.getElementById('app'));
   const app = ReactDOM.createRoot(appElement);
   app.render(<QueryClientProvider client={query}>
-    <OnnxWeb client={client} config={merged} />
+    <OnnxWeb client={client} config={params} />
   </QueryClientProvider>);
 }