diff --git a/static/src/views/decimal_observer.js b/static/src/views/decimal_observer.js
index ac9ced9..ae3629e 100644
--- a/static/src/views/decimal_observer.js
+++ b/static/src/views/decimal_observer.js
@@ -30,7 +30,8 @@ function processNode(textNode) {
 
     // Skip unsafe parents
     const tagName = parent.tagName;
-    if (['SCRIPT', 'STYLE', 'TEXTAREA', 'INPUT', 'OPTION', 'TITLE'].includes(tagName)) return;
+    if (['SCRIPT', 'STYLE', 'TEXTAREA', 'INPUT', 'OPTION', 'TITLE', 'TH'].includes(tagName)) return;
+    if (parent.closest && parent.closest('th')) return;
     if (parent.isContentEditable) return;
     if (parent.closest && parent.closest('[contenteditable="true"]')) return;
     if (parent.classList.contains('o_decimal')) return; // Already wrapped
@@ -38,6 +39,9 @@ function processNode(textNode) {
     const text = textNode.nodeValue;
     if (!text || text.length < 3) return;
 
+    // Skip if it contains alphabetical words of length 4 or more (non-numeric labels/descriptions)
+    if (/[a-zA-Z]{4,}/.test(text)) return;
+
     // Get the correct decimal point from Odoo localization
     const decimalPoint = localization.decimalPoint || '.';
     // Escape special regex characters (like dot)