diff --git a/js/pagejs/index.js b/js/pagejs/index.js
index e7e6d66..d5ab4ef 100644
--- a/js/pagejs/index.js
+++ b/js/pagejs/index.js
@@ -1306,6 +1306,7 @@
 				                yAxis: {
 				                    allowDecimals: false,
 				                    min: 0,
+                                    minRange: 1,
 				                    gridLineWidth: 0,
 				                    title: {
 				                        text: ''