1 files changed, 1 insertions, 0 deletions
diff --git a/static/index.js b/static/index.js
index 4ba2b19..094011b 100644
--- a/static/index.js
+++ b/static/index.js
@@ -95,6 +95,7 @@ function replaceOutput(content, className) {
 }
 
 function appendOutput(content, className) {
+  if (!content) return;
   const element = document.createElement("pre");
   element.textContent = content;
   element.className = className;