fixes #75825

src/vs/workbench/contrib/files/browser/fileActions.ts

@@ -898,7 +898,9 @@ export const renameHandler = (accessor: ServicesAccessor) => {
 			if (success) {
 				const parentResource = stat.parent!.resource;
 				const targetResource = resources.joinPath(parentResource, value);
-				textFileService.move(stat.resource, targetResource).then(() => refreshIfSeparator(value, explorerService), onUnexpectedError);
+				if (stat.resource.toString() !== targetResource.toString()) {
+					textFileService.move(stat.resource, targetResource).then(() => refreshIfSeparator(value, explorerService), onUnexpectedError);
+				}
 			}
 			explorerService.setEditable(stat, null);
 		}