diff --git a/public/scripts/showdown-exclusion.js b/public/scripts/showdown-exclusion.js
index 39637150e..c12653343 100644
--- a/public/scripts/showdown-exclusion.js
+++ b/public/scripts/showdown-exclusion.js
@@ -18,6 +18,7 @@ export const markdownExclusionExt = () => {
 
     const escapedExclusions = combinedExcludeString
         .split(",")
+        .filter((element) => element.length > 0)
         .map((element) => `(${element.split('').map((char) => `\\${char}`).join('')})`);