diff --git a/package-lock.json b/package-lock.json
index 3d7f7c54..6ddb192b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
     "name": "@oat-sa/tao-item-runner-qti",
-    "version": "2.3.0",
+    "version": "2.3.1",
     "lockfileVersion": 3,
     "requires": true,
     "packages": {
         "": {
             "name": "@oat-sa/tao-item-runner-qti",
-            "version": "2.3.0",
+            "version": "2.3.1",
             "license": "GPL-2.0",
             "devDependencies": {
                 "@oat-sa/browserslist-config-tao": "^1.0.1",
diff --git a/package.json b/package.json
index 91aca924..1779a064 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@oat-sa/tao-item-runner-qti",
-    "version": "2.3.0",
+    "version": "2.3.1",
     "displayName": "TAO Item Runner QTI",
     "description": "TAO QTI Item Runner modules",
     "files": [
diff --git a/src/qtiCommonRenderer/renderers/interactions/TextEntryInteraction.js b/src/qtiCommonRenderer/renderers/interactions/TextEntryInteraction.js
index cf478d6c..eec9b342 100644
--- a/src/qtiCommonRenderer/renderers/interactions/TextEntryInteraction.js
+++ b/src/qtiCommonRenderer/renderers/interactions/TextEntryInteraction.js
@@ -103,7 +103,6 @@ function validateDecimalInput($input) {
     const regex = new RegExp(regexPattern);
 
     if (!regex.test(value)) {
-        $input.addClass('invalid');
         $input.addClass('error');
         const decimalError = thousandsSeparator
             ? __(
@@ -116,7 +115,6 @@ function validateDecimalInput($input) {
             : __('Invalid value, use %s %s for decimal point.', decimalSeparator, decimalSeparatorName);
         showTooltip($input, 'error', decimalError);
     } else {
-        $input.removeClass('invalid');
         $input.removeClass('error');
         hideTooltip($input);
     }