diff --git a/packages/node_modules/@node-red/nodes/core/parsers/lib/csv/index.js b/packages/node_modules/@node-red/nodes/core/parsers/lib/csv/index.js
index dd2fb2db9..73cf4b292 100644
--- a/packages/node_modules/@node-red/nodes/core/parsers/lib/csv/index.js
+++ b/packages/node_modules/@node-red/nodes/core/parsers/lib/csv/index.js
@@ -200,9 +200,9 @@ function parse(csvIn, parseOptions) {
         if (!headers[i]) {
             continue
         }
-        quotedHeaders.push(quoteCell(headers[i], { quote, separator }))
+        quotedHeaders.push(quoteCell(headers[i], { quote, separator: ',' }))
     }
-    finalResult.header = quotedHeaders.join(separator) // always quote headers and join with comma
+    finalResult.header = quotedHeaders.join(',') // always quote headers and join with comma
 
     // output is an array of arrays [[],[],[]]
     if (ouputArrays || headersOnly) {