diff --git a/client/src/components/Markdown/parse.ts b/client/src/components/Markdown/parse.ts
index 2991846bede4..f7d5b17cd562 100644
--- a/client/src/components/Markdown/parse.ts
+++ b/client/src/components/Markdown/parse.ts
@@ -138,7 +138,7 @@ export function getArgs(content: string): GalaxyDirectiveSection {
         const arguments_str = function_arguments[i]?.toString().replace(/,/g, "").trim();
         if (arguments_str) {
             const [keyStr, valStr] = arguments_str.split("=");
-            if (keyStr == undefined || keyStr == undefined) {
+            if (keyStr == undefined || valStr == undefined) {
                 throw Error("Failed to parse galaxy directive");
             }
             const key = keyStr.trim();