diff --git a/docs/config/setup/modules/defaultConfig.md b/docs/config/setup/modules/defaultConfig.md
index a55ec1808..ca01578fa 100644
--- a/docs/config/setup/modules/defaultConfig.md
+++ b/docs/config/setup/modules/defaultConfig.md
@@ -14,13 +14,13 @@
 
 #### Defined in
 
-[defaultConfig.ts:266](https://github.com/mermaid-js/mermaid/blob/master/packages/mermaid/src/defaultConfig.ts#L266)
+[defaultConfig.ts:267](https://github.com/mermaid-js/mermaid/blob/master/packages/mermaid/src/defaultConfig.ts#L267)
 
 ---
 
 ### default
 
-• `Const` **default**: `Partial`<`MermaidConfig`>
+• `Const` **default**: `RequiredDeep`<`MermaidConfig`>
 
 Default mermaid configuration options.
 
@@ -30,4 +30,4 @@ Non-JSON JS default values are listed in this file, e.g. functions, or
 
 #### Defined in
 
-[defaultConfig.ts:16](https://github.com/mermaid-js/mermaid/blob/master/packages/mermaid/src/defaultConfig.ts#L16)
+[defaultConfig.ts:17](https://github.com/mermaid-js/mermaid/blob/master/packages/mermaid/src/defaultConfig.ts#L17)
diff --git a/packages/mermaid/src/defaultConfig.ts b/packages/mermaid/src/defaultConfig.ts
index 62b361cff..0b232116d 100644
--- a/packages/mermaid/src/defaultConfig.ts
+++ b/packages/mermaid/src/defaultConfig.ts
@@ -1,5 +1,7 @@
+import type { RequiredDeep } from 'type-fest';
+
 import theme from './themes/index.js';
-import { type MermaidConfig } from './config.type.js';
+import type { MermaidConfig } from './config.type.js';
 
 // Uses our custom Vite jsonSchemaPlugin to load only the default values from
 // our JSON Schema
@@ -13,7 +15,7 @@ import defaultConfigJson from './schemas/config.schema.yaml?only-defaults=true';
  * Non-JSON JS default values are listed in this file, e.g. functions, or
  * `undefined` (explicitly set so that `configKeys` finds them).
  */
-const config: Partial<MermaidConfig> = {
+const config: RequiredDeep<MermaidConfig> = {
   ...defaultConfigJson,
   // Set, even though they're `undefined` so that `configKeys` finds these keys
   // TODO: Should we replace these with `null` so that they can go in the JSON Schema?
@@ -232,7 +234,7 @@ const config: Partial<MermaidConfig> = {
   },
   pie: {
     ...defaultConfigJson.pie,
-    useWidth: undefined,
+    useWidth: 984,
   },
   requirement: {
     ...defaultConfigJson.requirement,
diff --git a/packages/mermaid/src/diagrams/pie/pieDb.ts b/packages/mermaid/src/diagrams/pie/pieDb.ts
index 00c67f08a..dbe50f08a 100644
--- a/packages/mermaid/src/diagrams/pie/pieDb.ts
+++ b/packages/mermaid/src/diagrams/pie/pieDb.ts
@@ -15,12 +15,9 @@ import type { ParseDirectiveDefinition } from '../../diagram-api/types.js';
 import type { PieFields, PieDB, Sections } from './pieTypes.js';
 import type { RequiredDeep } from 'type-fest';
 import type { PieDiagramConfig } from '../../config.type.js';
+import DEFAULT_CONFIG from '../../defaultConfig.js';
 
-export const DEFAULT_PIE_CONFIG: Required<PieDiagramConfig> = {
-  useMaxWidth: true,
-  useWidth: 984,
-  textPosition: 0.75,
-} as const;
+export const DEFAULT_PIE_CONFIG: Required<PieDiagramConfig> = DEFAULT_CONFIG.pie;
 
 export const DEFAULT_PIE_DB: RequiredDeep<PieFields> = {
   sections: {},