diff --git a/components/select/style/index.less b/components/select/style/index.less
index 91ac77accd..936b31e586 100644
--- a/components/select/style/index.less
+++ b/components/select/style/index.less
@@ -235,6 +235,14 @@
     left: 8px;
   }
 
+  &-search__field__mirror {
+    position: absolute;
+    top: 0;
+    left: -9999px;
+    white-space: pre;
+    pointer-events: none;
+  }
+
   &-search--inline {
     position: absolute;
     height: 100%;
@@ -261,14 +269,6 @@
       line-height: 1;
     }
 
-    .@{select-prefix-cls}-search__field__mirror {
-      position: absolute;
-      top: 0;
-      left: -9999px;
-      white-space: pre;
-      pointer-events: none;
-    }
-
     > i {
       float: right;
     }