diff --git a/lib/Doctrine/Import/Builder.php b/lib/Doctrine/Import/Builder.php
index 4a7150d2..eb4cff10 100644
--- a/lib/Doctrine/Import/Builder.php
+++ b/lib/Doctrine/Import/Builder.php
@@ -670,9 +670,8 @@ private function getPhpType($databaseType)
             case 'timestamp':
             case 'datetime':
             case 'date':
-                return 'string';
             case 'decimal':
-                return 'float';
+                return 'string';
         }
         return null;
     }