diff --git a/uhepp-js/src/components/UheppHist.jsx b/uhepp-js/src/components/UheppHist.jsx
index 5185d41fb6c870240dd1c19079aeca06b294ba2c..d15e1c04bb05d6c67a2f81ad3698feb36a424836 100644
--- a/uhepp-js/src/components/UheppHist.jsx
+++ b/uhepp-js/src/components/UheppHist.jsx
@@ -757,6 +757,7 @@ const UheppHist = ({width, height, uhepp}) => {
 					/>
 				</Group>
 
+    { (post_uhepp.ratio && post_uhepp.ratio.length > 0) &&
 		<Group top={margin.top + margin.sep + yMax} left={margin.left}>
          <g clipPath="url(#ratio-clip)">
            <Ratio
@@ -852,7 +853,7 @@ const UheppHist = ({width, height, uhepp}) => {
             tickLength={4}
 						tickTransform="translate(0, 4)"
 					/>
-        </Group>
+        </Group> }
 			</svg>
   </div>
 	)