diff --git a/CHANGELOG.md b/CHANGELOG.md
index de9d83bd..0ddf7a53 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -26,6 +26,7 @@
 * [UIQM-691](https://issues.folio.org/browse/UIQM-691) Show correct field and toast color when validation returns warnings.
 * [UIQM-665](https://issues.folio.org/browse/UIQM-665) Fix to generate array content in 008 after changing document type of MARC bib.
 * [UIQM-694](https://issues.folio.org/browse/UIQM-694) Separate error messages triggered by controlled subfields of different linked fields.
+* [UIQM-592](https://issues.folio.org/browse/UIQM-592) Fix to input polish special chars into fields.
 
 ## [8.0.1] (https://github.com/folio-org/ui-quick-marc/tree/v8.0.1) (2024-04-18)
 
diff --git a/src/QuickMarcEditor/QuickMarcEditor.js b/src/QuickMarcEditor/QuickMarcEditor.js
index a993a2d9..ad6fea44 100644
--- a/src/QuickMarcEditor/QuickMarcEditor.js
+++ b/src/QuickMarcEditor/QuickMarcEditor.js
@@ -75,6 +75,7 @@ import {
   updateRecordAtIndex,
   markLinkedRecords,
   getLeaderPositions,
+  isDiacritic,
 } from './utils';
 
 import css from './QuickMarcEditor.css';
@@ -465,6 +466,8 @@ const QuickMarcEditor = ({
     name: 'save',
     shortcut: 'mod+s',
     handler: async (e) => {
+      if (isDiacritic(e.key)) return;
+
       if (!saveFormDisabled) {
         e.preventDefault();
         confirmationChecks.current = { ...REQUIRED_CONFIRMATIONS };
diff --git a/src/QuickMarcEditor/utils.js b/src/QuickMarcEditor/utils.js
index e4580cc4..17203580 100644
--- a/src/QuickMarcEditor/utils.js
+++ b/src/QuickMarcEditor/utils.js
@@ -1220,3 +1220,11 @@ export const isFolioSourceFileNotSelected = ({ selectedSourceFile }) => {
 export const joinErrors = (errorsA, errorsB) => {
   return assignWith({}, errorsA, errorsB, (objValue = [], srcValue = []) => objValue.concat(srcValue));
 };
+
+export const isDiacritic = (char) => {
+  const specialDiactrics = 'łŁøß';
+
+  if (specialDiactrics.includes(char)) return true;
+
+  return char.normalize('NFD') !== char;
+};
diff --git a/src/QuickMarcEditor/utils.test.js b/src/QuickMarcEditor/utils.test.js
index fe86336c..645df136 100644
--- a/src/QuickMarcEditor/utils.test.js
+++ b/src/QuickMarcEditor/utils.test.js
@@ -1793,4 +1793,22 @@ describe('QuickMarcEditor utils', () => {
       });
     });
   });
+
+  describe('isDiacritic', () => {
+    it('should all chars to be detected as diacritics', () => {
+      const diacriticArray = 'ąćęłńóśźżĄĆĘŁŃÓŚŹŻøã鞎šŠşŞß';
+
+      [...diacriticArray].forEach(c => {
+        expect(utils.isDiacritic(c)).toBeTruthy();
+      });
+    });
+
+    it('should all chars to be detected as not diacritics', () => {
+      const diacriticArray = 'acelnoszACELNOSZ';
+
+      [...diacriticArray].forEach(c => {
+        expect(utils.isDiacritic(c)).toBeFalsy();
+      });
+    });
+  });
 });