diff --git a/packages/pluggableWidgets/rich-text-web/CHANGELOG.md b/packages/pluggableWidgets/rich-text-web/CHANGELOG.md
index 988944d6cd..557cc1ec52 100644
--- a/packages/pluggableWidgets/rich-text-web/CHANGELOG.md
+++ b/packages/pluggableWidgets/rich-text-web/CHANGELOG.md
@@ -6,6 +6,10 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 
 ## [Unreleased]
 
+### Fixed
+
+- We fixed an issue where the "Enable spell checking" setting had no effect.
+
 ## [5.1.0] - 2026-09-29
 
 ### Added
diff --git a/packages/pluggableWidgets/rich-text-web/src/__tests__/RichText.spellCheck.spec.tsx b/packages/pluggableWidgets/rich-text-web/src/__tests__/RichText.spellCheck.spec.tsx
new file mode 100644
index 0000000000..c02c2417a7
--- /dev/null
+++ b/packages/pluggableWidgets/rich-text-web/src/__tests__/RichText.spellCheck.spec.tsx
@@ -0,0 +1,78 @@
+import "@testing-library/jest-dom";
+import { render } from "@testing-library/react";
+import { EditableValueBuilder } from "@mendix/widget-plugin-test-utils";
+import { RichTextContainerProps, StatusBarContentEnum } from "../../typings/RichTextProps";
+import RichText from "../RichText";
+
+describe("Rich Text spell checking", () => {
+    let defaultProps: RichTextContainerProps;
+    beforeEach(() => {
+        defaultProps = {
+            name: "RichText",
+            id: "RichText1",
+            stringAttribute: new EditableValueBuilder<string>().withValue("<p>Rich text</p>").build(),
+            preset: "basic",
+            toolbarLocation: "bottom",
+            widthUnit: "percentage",
+            width: 100,
+            heightUnit: "percentageOfWidth",
+            height: 75,
+            toolbarConfig: "basic",
+            history: true,
+            fontStyle: true,
+            fontScript: true,
+            fontColor: true,
+            code: true,
+            indent: true,
+            embed: true,
+            align: true,
+            list: true,
+            remove: true,
+            header: true,
+            view: true,
+            tableBetter: false,
+            helpButton: true,
+            advancedConfig: [],
+            readOnlyStyle: "text",
+            tabIndex: 0,
+            onChangeType: "onLeave",
+            enableStatusBar: false,
+            dialogStyle: "inline",
+            statusBarContent: "wordCount" as StatusBarContentEnum,
+            spellCheck: false,
+            minHeightUnit: "none",
+            maxHeightUnit: "none",
+            maxHeight: 0,
+            minHeight: 75,
+            OverflowY: "auto",
+            customFonts: [],
+            enableDefaultUpload: true,
+            linkValidation: true,
+            styleDataFormat: "inline"
+        };
+    });
+
+    const getEditable = (container: HTMLElement): HTMLElement => {
+        const editable = container.querySelector<HTMLElement>(".ProseMirror");
+        expect(editable).not.toBeNull();
+        return editable!;
+    };
+
+    it("enables spell checking on the editable area when spellCheck is true", () => {
+        const { container } = render(<RichText {...defaultProps} spellCheck />);
+        expect(getEditable(container)).toHaveAttribute("spellcheck", "true");
+    });
+
+    it("disables spell checking on the editable area when spellCheck is false", () => {
+        const { container } = render(<RichText {...defaultProps} spellCheck={false} />);
+        expect(getEditable(container)).toHaveAttribute("spellcheck", "false");
+    });
+
+    it("follows spellCheck changes after the editor is created", () => {
+        const { container, rerender } = render(<RichText {...defaultProps} spellCheck={false} />);
+        expect(getEditable(container)).toHaveAttribute("spellcheck", "false");
+
+        rerender(<RichText {...defaultProps} spellCheck />);
+        expect(getEditable(container)).toHaveAttribute("spellcheck", "true");
+    });
+});
diff --git a/packages/pluggableWidgets/rich-text-web/src/__tests__/__snapshots__/RichText.spec.tsx.snap b/packages/pluggableWidgets/rich-text-web/src/__tests__/__snapshots__/RichText.spec.tsx.snap
index 185376be7d..ed02629b9e 100644
--- a/packages/pluggableWidgets/rich-text-web/src/__tests__/__snapshots__/RichText.spec.tsx.snap
+++ b/packages/pluggableWidgets/rich-text-web/src/__tests__/__snapshots__/RichText.spec.tsx.snap
@@ -206,6 +206,7 @@ exports[`Rich Text renders richtext widget 1`] = `
           class="tiptap ProseMirror"
           contenteditable="true"
           role="textbox"
+          spellcheck="true"
           tabindex="0"
           translate="no"
         >
@@ -690,6 +691,7 @@ exports[`Rich Text renders richtext widget with different config 1`] = `
           class="tiptap ProseMirror"
           contenteditable="true"
           role="textbox"
+          spellcheck="true"
           tabindex="0"
           translate="no"
         >
@@ -742,6 +744,7 @@ exports[`Rich Text renders richtext widget with readonly config 1`] = `
           class="tiptap ProseMirror"
           contenteditable="false"
           role="textbox"
+          spellcheck="true"
           translate="no"
         >
           <h2
@@ -982,6 +985,7 @@ exports[`Rich Text renders with HTML character count status bar 1`] = `
           class="tiptap ProseMirror"
           contenteditable="true"
           role="textbox"
+          spellcheck="true"
           tabindex="0"
           translate="no"
         >
@@ -1223,6 +1227,7 @@ exports[`Rich Text renders with both word and character count 1`] = `
           class="tiptap ProseMirror"
           contenteditable="true"
           role="textbox"
+          spellcheck="true"
           tabindex="0"
           translate="no"
         >
@@ -1462,6 +1467,7 @@ exports[`Rich Text renders with character count status bar 1`] = `
           class="tiptap ProseMirror"
           contenteditable="true"
           role="textbox"
+          spellcheck="true"
           tabindex="0"
           translate="no"
         >
diff --git a/packages/pluggableWidgets/rich-text-web/src/components/Editor.tsx b/packages/pluggableWidgets/rich-text-web/src/components/Editor.tsx
index 7058ef7daf..f3af983290 100644
--- a/packages/pluggableWidgets/rich-text-web/src/components/Editor.tsx
+++ b/packages/pluggableWidgets/rich-text-web/src/components/Editor.tsx
@@ -64,6 +64,7 @@ export interface EditorProps extends Pick<
     | "advancedConfig"
     | "customFonts"
     | "helpButton"
+    | "spellCheck"
     | "onFocus"
     | "onBlur"
     | "onLoad"
@@ -226,6 +227,7 @@ const Editor = forwardRef<EditorHandle, EditorProps>((props, ref) => {
         imageSourceContent,
         enableDefaultUpload,
         dialogStyle = "inline",
+        spellCheck,
         ...others
     } = props;
     const actionRef = useMemo(
@@ -366,6 +368,11 @@ const Editor = forwardRef<EditorHandle, EditorProps>((props, ref) => {
             },
             content: defaultValue || "",
             editable: !readOnly,
+            editorProps: {
+                // Tiptap only adds `role="textbox"` when the view is created; re-renders
+                // apply these attributes as-is, so keep the role here to not lose it.
+                attributes: { role: "textbox", spellcheck: String(spellCheck) }
+            },
             onUpdate: ({ editor }) => {
                 const html = editor.isEmpty ? "" : editor.getHTML();
                 onUpdate?.(html);
diff --git a/packages/pluggableWidgets/rich-text-web/src/components/EditorWrapper.tsx b/packages/pluggableWidgets/rich-text-web/src/components/EditorWrapper.tsx
index 9742024f03..c7fa6caec2 100644
--- a/packages/pluggableWidgets/rich-text-web/src/components/EditorWrapper.tsx
+++ b/packages/pluggableWidgets/rich-text-web/src/components/EditorWrapper.tsx
@@ -42,6 +42,7 @@ function EditorWrapper(props: EditorWrapperProps): ReactElement {
         customFonts,
         toolbarLocation,
         readOnlyStyle,
+        spellCheck,
         onFocus,
         onBlur,
         onLoad,
@@ -143,6 +144,7 @@ function EditorWrapper(props: EditorWrapperProps): ReactElement {
                         helpButton={helpButton}
                         advancedConfig={advancedConfig}
                         customFonts={customFonts}
+                        spellCheck={spellCheck}
                         toolbarLocation={
                             stringAttribute.readOnly && readOnlyStyle !== "text" ? "hide" : toolbarLocation
                         }