diff --git a/doc/api/hooks_server-side.md b/doc/api/hooks_server-side.md
index 0c251c3e..51026140 100644
--- a/doc/api/hooks_server-side.md
+++ b/doc/api/hooks_server-side.md
@@ -259,7 +259,7 @@ This hook will allow a plug-in developer to modify the file name of an exported
 Example:
 
 ```
-exports.exportFileName = function(hook, padId){
-  return "newFileName"+padId;
+exports.exportFileName = function(hook, padId, callback){
+  callback("newFileName"+padId);
 }
 ```
diff --git a/src/node/handler/ExportHandler.js b/src/node/handler/ExportHandler.js
index 54b41c46..11d247d6 100644
--- a/src/node/handler/ExportHandler.js
+++ b/src/node/handler/ExportHandler.js
@@ -49,10 +49,10 @@ exports.doExport = function(req, res, padId, type)
   var fileName = padId;
 
   // allow fileName to be overwritten by a hook, the type type is kept static for security reasons
-  hooks.aCallAll("exportFileName", padId, 
+  hooks.aCallFirst("exportFileName", padId, 
     function(err, hookFileName){
       // if fileName is set then set it to the padId, note that fileName is returned as an array.
-      if(fileName[0]) fileName = hookFileName; 
+      if(hookFileName[0]) fileName = hookFileName[0]; 
     }
   );