diff --git a/src/freeDatas2HTMLParserForCSV.ts b/src/freeDatas2HTMLParserForCSV.ts
index c2d44a2..78cc396 100644
--- a/src/freeDatas2HTMLParserForCSV.ts
+++ b/src/freeDatas2HTMLParserForCSV.ts
@@ -94,30 +94,30 @@ export class ParserForCSV implements Parsers
     }
 
     // async dans le cas d'une source distante
-    // Et création d'une Promise car PapaParse utilise une fonction callback.
-   public async parse():  Promise<any>
-   {
+    // Et création d'une Promise car PapaParse utilise des fonctions callback.
+    public async parse():  Promise<any>
+    {
         const parser=this, options=this.options;
+        let parseContent=""; 
+        if(parser._datasRemoteSource.url !== "")
+        {
+            parseContent=parser._datasRemoteSource.url;
+            this._privateOptions.download=true;
+            this._privateOptions.withCredentials=parser._datasRemoteSource.withCredentials;
+            if(parser._datasRemoteSource.headers !== undefined)
+            {
+                this._privateOptions.downloadRequestHeaders={};
+                for(let i=0; i< parser._datasRemoteSource.headers.length; i++)
+                    this._privateOptions.downloadRequestHeaders[parser._datasRemoteSource.headers[i].key]=parser._datasRemoteSource.headers[i].value;
+             }
+        }
+        else if(parser._datas2Parse !== "")
+            parseContent=parser._datas2Parse;
+        else
+            throw new Error(errors.parserNeedSource);
+            
         return new Promise((resolve,reject) =>
         {
-            let parseContent=""; 
-            if(parser._datasRemoteSource.url !== "")
-            {
-                parseContent=parser._datasRemoteSource.url;
-                this._privateOptions.download=true;
-                this._privateOptions.withCredentials=parser._datasRemoteSource.withCredentials;
-                if(parser._datasRemoteSource.headers !== undefined)
-                {
-                    this._privateOptions.downloadRequestHeaders={};
-                    for(let i=0; i< parser._datasRemoteSource.headers.length; i++)
-                        this._privateOptions.downloadRequestHeaders[parser._datasRemoteSource.headers[i].key]=parser._datasRemoteSource.headers[i].value;
-                 }
-            }
-            else if(parser._datas2Parse !== "")
-                parseContent=parser._datas2Parse;
-            else
-                reject(new Error(errors.parserNeedSource));
-
             Papa.parse(parseContent,
             {
                 delimiter: options.delimiter,