diff --git a/templates/control.html b/templates/control.html
index 2193f7c..af1d7d2 100644
--- a/templates/control.html
+++ b/templates/control.html
@@ -539,8 +539,21 @@
                 // Update Tank Level and Qconso
                 const dsData = allData["DS"];
                 if (dsData) {
-                    document.querySelector("#TankLevel .monitor-value").innerHTML = `DS<br>${dsData.TankLevel.toFixed(1)}`;
-                    document.querySelector("#Qconso .monitor-value").innerHTML = `DS<br>${dsData.Qconso.toFixed(1)} L/h`;
+                    const tankLevelElement = document.querySelector("#TankLevel .monitor-value");
+                    const qconsoElement = document.querySelector("#Qconso .monitor-value");
+
+                    if (tankLevelElement) {
+                        tankLevelElement.innerHTML = `DS<br>${dsData.TankLevel.toFixed(1)}`;
+                    } else {
+                        console.error('Element with selector "#TankLevel .monitor-value" not found.');
+                    }
+
+                    if (qconsoElement) {
+                        const qconso = dsData.Qinlet - dsData.Qoutlet;
+                        qconsoElement.innerHTML = `DS<br>${qconso.toFixed(1)} L/h`;
+                    } else {
+                        console.error('Element with selector "#Qconso .monitor-value" not found.');
+                    }
                 }
                 
             } catch (error) {