diff --git a/includes/entity.inc b/includes/entity.inc
index ae78077..8c96fd7 100644
--- a/includes/entity.inc
+++ b/includes/entity.inc
@@ -1207,7 +1207,7 @@ class EntityFieldQuery {
     $id_map['entity_id'] = $sql_field;
     $select_query->addField($base_table, $sql_field, 'entity_id');
     if (isset($this->entityConditions['entity_id'])) {
-      $this->addCondition($select_query, $sql_field, $this->entityConditions['entity_id']);
+      $this->addCondition($select_query, "$base_table." . $sql_field, $this->entityConditions['entity_id']);
     }
 
     // If there is a revision key defined, use it.
@@ -1215,7 +1215,7 @@ class EntityFieldQuery {
       $sql_field = $entity_info['entity keys']['revision'];
       $select_query->addField($base_table, $sql_field, 'revision_id');
       if (isset($this->entityConditions['revision_id'])) {
-        $this->addCondition($select_query, $sql_field, $this->entityConditions['revision_id']);
+        $this->addCondition($select_query, "$base_table." . $sql_field, $this->entityConditions['revision_id']);
       }
     }
     else {