diff --git a/static/src/views/decimal_observer.js b/static/src/views/decimal_observer.js
index 7e2aa91..c1e8704 100644
--- a/static/src/views/decimal_observer.js
+++ b/static/src/views/decimal_observer.js
@@ -74,6 +74,19 @@ function processNode(textNode) {
 
 
 function scanDocument() {
+    try {
+        // Check if localization is ready by accessing the property
+        // This will throw if parameters are not ready
+        const _ = localization.decimalPoint;
+    } catch (e) {
+        // If not ready, retry in 200ms
+        if (timeout) cancelAnimationFrame(timeout);
+        timeout = setTimeout(() => {
+            requestAnimationFrame(scanDocument);
+        }, 200);
+        return;
+    }
+
     const walker = document.createTreeWalker(document.body, NodeFilter.SHOW_TEXT, null);
     const nodesToProcess = [];
     while (walker.nextNode()) {