diff --git a/components/select/style/patch.less b/components/select/style/patch.less
index 32e21bb715..da0c2c684b 100644
--- a/components/select/style/patch.less
+++ b/components/select/style/patch.less
@@ -15,5 +15,10 @@
     .cdk-virtual-scroll-content-wrapper {
       position: static;
     }
+    .cdk-virtual-scroll-spacer{
+      position: absolute;
+      top: 0;
+      width: 1px;
+    }
   }
 }