diff --git a/src/vs/workbench/contrib/replNotebook/browser/replEditorInput.ts b/src/vs/workbench/contrib/replNotebook/browser/replEditorInput.ts
index edca15b8ceec9..35ef8208542a8 100644
--- a/src/vs/workbench/contrib/replNotebook/browser/replEditorInput.ts
+++ b/src/vs/workbench/contrib/replNotebook/browser/replEditorInput.ts
@@ -22,6 +22,12 @@ import { ICustomEditorLabelService } from '../../../services/editor/common/custo
 import { IEditorService } from '../../../services/editor/common/editorService.js';
 import { IExtensionService } from '../../../services/extensions/common/extensions.js';
 import { IFilesConfigurationService } from '../../../services/filesConfiguration/common/filesConfigurationService.js';
+import { ThemeIcon } from '../../../../base/common/themables.js';
+import { Codicon } from '../../../../base/common/codicons.js';
+import { localize } from '../../../../nls.js';
+import { registerIcon } from '../../../../platform/theme/common/iconRegistry.js';
+
+const replTabIcon = registerIcon('repl-editor-label-icon', Codicon.debugLineByLine, localize('replEditorLabelIcon', 'Icon of the REPL editor label.'));
 
 export class ReplEditorInput extends NotebookEditorInput implements ICompositeNotebookEditorInput {
 	static override ID: string = 'workbench.editorinputs.replEditorInput';
@@ -53,6 +59,10 @@ export class ReplEditorInput extends NotebookEditorInput implements ICompositeNo
 		this.label = label ?? this.createEditorLabel(resource);
 	}
 
+	override getIcon(): ThemeIcon | undefined {
+		return replTabIcon;
+	}
+
 	private createEditorLabel(resource: URI | undefined): string {
 		if (!resource) {
 			return 'REPL';