diff --git a/src/api/dashboard/static/js/ui/signals-calculator.js b/src/api/dashboard/static/js/ui/signals-calculator.js
index 80abe59..352cd98 100644
--- a/src/api/dashboard/static/js/ui/signals-calculator.js
+++ b/src/api/dashboard/static/js/ui/signals-calculator.js
@@ -310,8 +310,9 @@ export function calculateAllIndicatorSignals() {
             label: indicator.type?.toUpperCase(),
             params: indicator.params && typeof indicator.params === 'object' 
                 ? Object.entries(indicator.params)
-                    .filter(([k, v]) => !k.startsWith('_') && v !== undefined && v !== null)
+                    .filter(([k, v]) => !k.startsWith('_') && v !== undefined && v !== null && v !== '')
                     .map(([k, v]) => `${v}`)
+                    .filter(v => v && v !== 'undefined')
                     .join(',')
                 : null,
             type: indicator.type,