diff --git a/layouts/partials/footer.html b/layouts/partials/footer.html
index 73d332e432..ce49756fbe 100644
--- a/layouts/partials/footer.html
+++ b/layouts/partials/footer.html
@@ -90,7 +90,7 @@
   {{- else }}
     {{- $urlOpenapi = "js/swagger-ui/swagger-ui-bundle.js" | relURL }}
     {{- if not .Site.Params.disableAssetsBusting }}
-      {{- $urlOpenapi = printf "%s?%d" $urlOpenapi now.Unix }}"
+      {{- $urlOpenapi = printf "%s?%d" $urlOpenapi now.Unix }}
     {{- end }}
   {{- end }}
     <script>window.noZensmooth = true;</script>