diff --git a/readthedocs/core/static-src/core/js/doc-embed/version-compare.js b/readthedocs/core/static-src/core/js/doc-embed/version-compare.js
index 095421b09cb..d6ec1cf0354 100644
--- a/readthedocs/core/static-src/core/js/doc-embed/version-compare.js
+++ b/readthedocs/core/static-src/core/js/doc-embed/version-compare.js
@@ -23,7 +23,7 @@ function init(data) {
     warning
       .find('a')
       .attr('href', currentURL)
-      .text(data.version);
+      .text(data.slug[0] || data.version);
 
     var body = $("div.body");
     if (!body.length) {