diff --git a/assets/js/app.js b/assets/js/app.js
index 5fe2f0e7..4ee430fc 100644
--- a/assets/js/app.js
+++ b/assets/js/app.js
@@ -51,10 +51,12 @@ const SensorChart = {
     const canvas = this.el.querySelector('canvas')
     const ctx = canvas.getContext('2d')
     const unit = this.el.dataset.unit || '%'
-    const autoScale = this.el.dataset.autoScale === 'true'
-    const showZeroLine = this.el.dataset.showZeroLine === 'true'
+    const autoScale = this.el.dataset.autoScale === 'true' || this.el.dataset.autoScale === true
+    const showZeroLine = this.el.dataset.showZeroLine === 'true' || this.el.dataset.showZeroLine === true
     const chartType = unit === 'bps' ? 'bar' : 'line'
 
+    console.log('Chart config:', { unit, autoScale, showZeroLine, chartType, datasetsCount: data.datasets.length })
+
     // Generate colors for each dataset
     const colors = [
       'rgb(59, 130, 246)',   // blue
@@ -118,6 +120,8 @@ const SensorChart = {
         // Add 10% padding, ensure minimum of 1000 (1 Kbps)
         maxAbsValue = Math.max(maxAbsValue * 1.1, 1000)
 
+        console.log('Traffic graph scale:', { maxAbsValue, min: -maxAbsValue, max: maxAbsValue })
+
         yAxisConfig = {
           min: -maxAbsValue,
           max: maxAbsValue,