diff --git a/admin/survey/classes/class.SurveyCopy.php b/admin/survey/classes/class.SurveyCopy.php
index c6bc8429d..18529e506 100644
--- a/admin/survey/classes/class.SurveyCopy.php
+++ b/admin/survey/classes/class.SurveyCopy.php
@@ -1173,15 +1173,14 @@ class SurveyCopy {
 			    		 */
 			    		
 			    		// ce polje v src datoteki ni nastavljeno ga damo na praznega
-			    		if ( ! isset($row_src[$dest_field]) && ! isset($pre_set[$dest_field]) ) {
-							$dest_value = "''";
-							
-						// ce je polje NULL, ga moramo rocno nastavit na NULL
-			    		} elseif ($row_src[$dest_field] === NULL) {
-							$dest_value = "NULL";
-							
-			    		} else {
-			    		
+			    		if ( !isset($row_src[$dest_field]) && !isset($pre_set[$dest_field]) ) {
+							$dest_value = "''";	
+			    		} 
+                        // ce je polje NULL, ga moramo rocno nastavit na NULL
+                        elseif ( $row_src[$dest_field] === NULL && !isset($pre_set[$dest_field]) ) {
+							$dest_value = "NULL";	
+			    		} 
+                        else {
 			    			$dest_value = isset($pre_set[$dest_field]) 
 			    				? ( !(is_array($pre_set[$dest_field]) && isset($pre_set[$dest_field]['field']) && isset($pre_set[$dest_field]['from']))
 			    					? $pre_set[$dest_field]
@@ -1191,7 +1190,6 @@ class SurveyCopy {
 			    					)
 			    				) 
 			    				: "'".mysqli_real_escape_string($GLOBALS['connect_db'], $row_src[$dest_field])."'";
-						
 						}
 			    		
 				    	$insert_values .= $insert_values_prefix . $dest_value;