diff --git a/packages/node_modules/@node-red/nodes/core/parsers/70-CSV.js b/packages/node_modules/@node-red/nodes/core/parsers/70-CSV.js
index c6a91d61a..92d12d0df 100644
--- a/packages/node_modules/@node-red/nodes/core/parsers/70-CSV.js
+++ b/packages/node_modules/@node-red/nodes/core/parsers/70-CSV.js
@@ -171,7 +171,7 @@ module.exports = function(RED) {
                             }
                             // join lines, don't forget to add the last new line
                             msg.payload = ou.join(node.ret) + node.ret;
-                            msg.columns = template.map(v => v.indexOf(',')!==-1 ? '"'+v+'"' : v).join(',');
+                            msg.columns = template.map(v => v.indexOf(node.sep)!==-1 ? '"'+v+'"' : v).join(node.sep);
                             if (msg.payload !== '') {
                                 send(msg);
                             }
@@ -289,14 +289,14 @@ module.exports = function(RED) {
                                     }
                                     if (msg.parts.index + 1 === msg.parts.count) {
                                         msg.payload = node.store;
-                                        msg.columns = template.map(v => v.indexOf(',')!==-1 ? '"'+v+'"' : v).filter(v => v).join(',');
+                                        msg.columns = template.map(v => v.indexOf(node.sep)!==-1 ? '"'+v+'"' : v).filter(v => v).join(node.sep);
                                         delete msg.parts;
                                         send(msg);
                                         node.store = [];
                                     }
                                 }
                                 else {
-                                    msg.columns = template.map(v => v.indexOf(',')!==-1 ? '"'+v+'"' : v).filter(v => v).join(',');
+                                    msg.columns = template.map(v => v.indexOf(node.sep)!==-1 ? '"'+v+'"' : v).filter(v => v).join(node.sep);
                                     send(msg); // finally send the array
                                 }
                             }
@@ -304,7 +304,7 @@ module.exports = function(RED) {
                                 var len = a.length;
                                 for (var i = 0; i < len; i++) {
                                     var newMessage = RED.util.cloneMessage(msg);
-                                    newMessage.columns = template.map(v => v.indexOf(',')!==-1 ? '"'+v+'"' : v).filter(v => v).join(',');
+                                    newMessage.columns = template.map(v => v.indexOf(node.sep)!==-1 ? '"'+v+'"' : v).filter(v => v).join(node.sep);
                                     newMessage.payload = a[i];
                                     if (!has_parts) {
                                         newMessage.parts = {
@@ -367,7 +367,7 @@ module.exports = function(RED) {
             const sendHeadersAlways = node.hdrout === "all"
             const sendHeaders = !dontSendHeaders && (sendHeadersOnce || sendHeadersAlways)
             const quoteables = [node.sep, node.quo, "\n", "\r"]
-            const templateQuoteables = [',', '"', "\n", "\r"]
+            const templateQuoteables = [node.sep, '"', "\n", "\r"]
             let badTemplateWarnOnce = true
 
             const columnStringToTemplateArray = function (col, sep) {
@@ -378,9 +378,9 @@ module.exports = function(RED) {
             }
             const templateArrayToColumnString = function (template, keepEmptyColumns) {
                 // NOTE: enforce strict column template parsing in RFC4180 mode
-                const parsed = csv.parse('', {headers: template, headersOnly:true, separator: ',', quote: node.quo, outputStyle: 'array', strict: true })
+                const parsed = csv.parse('', {headers: template, headersOnly:true, separator: node.sep, quote: node.quo, outputStyle: 'array', strict: true })
                 return keepEmptyColumns
-                    ? parsed.headers.map(e => addQuotes(e || '', { separator: ',', quoteables: templateQuoteables}))
+                    ? parsed.headers.map(e => addQuotes(e || '', { separator: node.sep, quoteables: templateQuoteables})).join(node.sep)
                     : parsed.header // exclues empty columns
                     // TODO: resolve inconsistency between CSV->JSON and JSON->CSV
                     // CSV->JSON: empty columns are excluded
@@ -441,7 +441,7 @@ module.exports = function(RED) {
                             if (sendHeaders && node.hdrSent === false) {
                                 if (hasTemplate(template) === false) {
                                     if (msg.hasOwnProperty("columns")) {
-                                        template = columnStringToTemplateArray(msg.columns || "", ",") || ['']
+                                        template = columnStringToTemplateArray(msg.columns || "", node.sep) || ['']
                                     }
                                     else {
                                         template = Object.keys(inputData[0]) || ['']
@@ -475,7 +475,7 @@ module.exports = function(RED) {
                                 } else {
                                     /*** row is an object ***/
                                     if (hasTemplate(template) === false && (msg.hasOwnProperty("columns"))) {
-                                        template = columnStringToTemplateArray(msg.columns || "", ",")
+                                        template = columnStringToTemplateArray(msg.columns || "", node.sep)
                                     }
                                     if (hasTemplate(template) === false) {
                                         /*** row is an object but we still don't have a template ***/
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 73cf4b292..dd2fb2db9 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(',') // always quote headers and join with comma
+    finalResult.header = quotedHeaders.join(separator) // always quote headers and join with comma
 
     // output is an array of arrays [[],[],[]]
     if (ouputArrays || headersOnly) {