diff --git a/src/lib/select/_select-theme.scss b/src/lib/select/_select-theme.scss
index 3cb9960f4f9e..43a046737cca 100644
--- a/src/lib/select/_select-theme.scss
+++ b/src/lib/select/_select-theme.scss
@@ -16,7 +16,7 @@
       border-bottom: 1px solid md-color($primary);
     }
 
-    .ng-invalid.ng-touched:not(.md-select-disabled) & {
+    md-select.ng-invalid.ng-touched:not(.md-select-disabled) & {
       color: md-color($warn);
       border-bottom: 1px solid md-color($warn);
     }
@@ -29,7 +29,7 @@
       color: md-color($primary);
     }
 
-    .ng-invalid.ng-touched:not(.md-select-disabled) & {
+    md-select.ng-invalid.ng-touched:not(.md-select-disabled) & {
       color: md-color($warn);
     }
   }