diff --git a/js/pagejs/index.js b/js/pagejs/index.js
index 9a8c846..da459f4 100644
--- a/js/pagejs/index.js
+++ b/js/pagejs/index.js
@@ -1303,6 +1303,7 @@
 				                yAxis: {
 				                    allowDecimals: false,
 				                    min: 0,
+                                    minRange: 1,
 				                    gridLineWidth: 0,
 				                    title: {
 				                        text: ''