diff --git a/main/lp/learnpathItem.class.php b/main/lp/learnpathItem.class.php
index 2f3e5b93e8..dcf5aff68f 100755
--- a/main/lp/learnpathItem.class.php
+++ b/main/lp/learnpathItem.class.php
@@ -612,7 +612,7 @@ class learnpathItem
 
         if ($checkdb) {
             $tbl = Database::get_course_table(TABLE_LP_ITEM_VIEW);
-            $sql = "SELECT id FROM $tbl
+            $sql = "SELECT iid FROM $tbl
                     WHERE
                         c_id = $course_id AND
                         lp_item_id = ".$this->db_id." AND
@@ -3592,7 +3592,7 @@ class learnpathItem
         if (is_array($this->objectives) && count($this->objectives) > 0) {
             // Save objectives.
             $tbl = Database::get_course_table(TABLE_LP_ITEM_VIEW);
-            $sql = "SELECT id
+            $sql = "SELECT iid
                     FROM $tbl
                     WHERE
                         c_id = $course_id AND
@@ -3614,7 +3614,7 @@ class learnpathItem
                     $iva_table = Database::get_course_table(
                         TABLE_LP_IV_OBJECTIVE
                     );
-                    $iva_sql = "SELECT id FROM $iva_table
+                    $iva_sql = "SELECT iid FROM $iva_table
                                 WHERE
                                     c_id = $course_id AND
                                     lp_iv_id = $lp_iv_id AND
@@ -3633,7 +3633,7 @@ class learnpathItem
                             "score_raw = '".Database::escape_string($objective[2])."',".
                             "score_min = '".Database::escape_string($objective[4])."',".
                             "score_max = '".Database::escape_string($objective[3])."' ".
-                            "WHERE c_id = $course_id AND id = $iva_id";
+                            "WHERE c_id = $course_id AND iid = $iva_id";
                         Database::query($ivau_sql);
                     } else {
                         // Insert new one.
@@ -3997,7 +3997,7 @@ class learnpathItem
             ) {
                 // Save interactions.
                 $tbl = Database::get_course_table(TABLE_LP_ITEM_VIEW);
-                $sql = "SELECT id FROM $tbl
+                $sql = "SELECT iid FROM $tbl
                         WHERE
                             c_id = $course_id AND
                             lp_item_id = ".$this->db_id." AND
@@ -4031,7 +4031,7 @@ class learnpathItem
                         );
 
                         //also check for the interaction ID as it must be unique for this SCO view
-                        $iva_sql = "SELECT id FROM $iva_table
+                        $iva_sql = "SELECT iid FROM $iva_table
                                     WHERE
                                         c_id = $course_id AND
                                         lp_iv_id = $lp_iv_id AND
@@ -4071,7 +4071,7 @@ class learnpathItem
                                 $iva_table,
                                 $params,
                                 array(
-                                    'c_id = ? AND id = ?' => array(
+                                    'c_id = ? AND iid = ?' => array(
                                         $course_id,
                                         $iva_id
                                     )
diff --git a/main/lp/lp_view.php b/main/lp/lp_view.php
index accbf395aa..375fbb428c 100755
--- a/main/lp/lp_view.php
+++ b/main/lp/lp_view.php
@@ -299,8 +299,8 @@ if (!empty($_REQUEST['exeId']) &&
         $sql = "SELECT id FROM $TBL_LP_ITEM_VIEW
                 WHERE
                     c_id = $course_id AND
-                    lp_item_id = '$safe_item_id' AND
-                    lp_view_id = '".$_SESSION['oLP']->lp_view_id."'
+                    lp_item_id = $safe_item_id AND
+                    lp_view_id = ".$_SESSION['oLP']->lp_view_id."
                 ORDER BY id DESC
                 LIMIT 1";
         $res_last_attempt = Database::query($sql);
@@ -329,7 +329,7 @@ if (!empty($_REQUEST['exeId']) &&
                         status = '$status',
                         score = $score,
                         total_time = $mytime
-                    WHERE id='".$lp_item_view_id."' AND c_id = $course_id ";
+                    WHERE iid = $lp_item_view_id";
 
             if ($debug) {
                 error_log($sql);