diff --git a/application/helpers/export_helper.php b/application/helpers/export_helper.php
index b1bbff04d14..2c8d0824e21 100644
--- a/application/helpers/export_helper.php
+++ b/application/helpers/export_helper.php
@@ -1039,7 +1039,7 @@ function quexml_create_multi(&$question,$qid,$varname,$scale_id = false,$free =
         else
             $response->appendChild(QueXMLCreateFree($free['f'],$free['len'],$Row['question']));
 
-        $response->setAttribute("varName",$varname . QueXMLCleanup($Row['title']));
+        $response->setAttribute("varName",QueXMLCleanup($Row['title']));
 
         $question->appendChild($response);
     }
@@ -1105,7 +1105,7 @@ function quexml_create_subQuestions(&$question,$qid,$varname,$use_answers = fals
         $subQuestion = $dom->createElement("subQuestion");
         $text = $dom->createElement("text",QueXMLCleanup($Row['question'],''));
         $subQuestion->appendChild($text);
-        $subQuestion->setAttribute("varName",$varname . QueXMLCleanup($Row['title']));
+        $subQuestion->setAttribute("varName",$varname .'_'. QueXMLCleanup($Row['title']));
         $question->appendChild($subQuestion);
     }
 
diff --git a/application/libraries/admin/quexmlpdf.php b/application/libraries/admin/quexmlpdf.php
index 26d1640a6e0..c2e5aa17473 100644
--- a/application/libraries/admin/quexmlpdf.php
+++ b/application/libraries/admin/quexmlpdf.php
@@ -1695,6 +1695,17 @@ protected function createQuestion($question)
 
 				$bgtype = 3; //box group type temp set to 3 (text)
 
+            // question with > 1 responses and >1 subquestions --> matrix question --> need to come up with unique variable names
+            if (count($question['responses'])>1)
+            {
+                foreach ($subquestions as $index=>$sv)
+                {
+                    $subquestions[$index]['varname']=$subquestions[$index]['varname'].'_'.$varname;
+                }
+            }
+            $debugoutput=$subquestions;
+file_put_contents('/debugdata.txt', print_r($debugoutput, true), FILE_APPEND);
+			
 				switch ($type)
 				{
 					case 'fixed':