diff --git a/src/common/components/modal-popup/label-popup.js b/src/common/components/modal-popup/label-popup.js
index f2587966..3f81a2d4 100644
--- a/src/common/components/modal-popup/label-popup.js
+++ b/src/common/components/modal-popup/label-popup.js
@@ -228,7 +228,7 @@ function LabelPopup({ params, onUpdateAnnotations, onClose }) {
 						className="toolbarField"
 						value={auto ? data.autoPageLabel : label}
 						disabled={auto}
-						maxLength={32}
+						maxLength={16}
 						onChange={handleChange}
 						onKeyDown={handleInputKeydown}
 						aria-label={intl.formatMessage({ id: "pdfReader.editPageNumber"})}