diff --git a/src/js/parser/javascript.js b/src/js/parser/javascript.js
index 856c159..8f67cd9 100644
--- a/src/js/parser/javascript.js
+++ b/src/js/parser/javascript.js
@@ -35,7 +35,7 @@ export default class Parser {
   render(containerElement, svgBase) {
     var svg;
 
-    containerElement.innerHTML += svgBase;
+    containerElement.innerHTML = svgBase;
 
     svg = Snap(containerElement.querySelector('svg'));