diff --git a/static/slaveDisplay.js b/static/slaveDisplay.js
index 2503afb3..70e42179 100644
--- a/static/slaveDisplay.js
+++ b/static/slaveDisplay.js
@@ -110,6 +110,7 @@ function drawChart(selector, chartData) {
 		toolTip:{   
 			content: "{name}: {y}"      
 		},
+		zoomEnabled: true,
 		axisY:{
 			includeZero: true
 		},