Index: core/units/reviews/reviews_event_handler.php
===================================================================
--- core/units/reviews/reviews_event_handler.php
+++ core/units/reviews/reviews_event_handler.php
@@ -583,11 +583,13 @@
 
 				// 1. add join to items table (for "Structure & Data" -> "Reviews" section)
 				$item_table = $this->Application->getUnitOption($regs[1], 'TableName');
+				$item_table_on = 'item_table.ResourceId = %1$s.ItemId';
 				$ci_table = $this->Application->getUnitOption('ci', 'TableName');
+				$ci_table_on = 'item_table.ResourceId = ci.ItemResourceId AND ci.PrimaryCat = 1';
 
 				$list_sqls = $this->Application->getUnitOption($event->Prefix, 'ListSQLs');
-				$list_sqls[''] .= ' LEFT JOIN '.$item_table.' item_table ON item_table.ResourceId = %1$s.ItemId';
-				$list_sqls[''] .= ' LEFT JOIN '.$ci_table.' ci ON item_table.ResourceId = ci.ItemResourceId AND ci.PrimaryCat = 1';
+				$list_sqls[''] .= PHP_EOL . ' LEFT JOIN ' . $item_table . ' item_table ON ' . $item_table_on;
+				$list_sqls[''] .= PHP_EOL . ' LEFT JOIN ' . $ci_table . ' ci ON ' . $ci_table_on;
 				$this->Application->setUnitOption($event->Prefix, 'ListSQLs', $list_sqls);
 
 				// 2. add calculated field
@@ -633,4 +635,4 @@
 			$parent_prefix = $event->Application->getUnitOption($event->Prefix, 'ParentPrefix');
 			$event->SetRedirectParam('pass', 'm,' . $event->getPrefixSpecial() . ',' . $parent_prefix);
 		}
-	}
\ No newline at end of file
+	}