diff --git a/src/lib/input/input-container.scss b/src/lib/input/input-container.scss
index 8a1ed26cda61..2a358e472b0d 100644
--- a/src/lib/input/input-container.scss
+++ b/src/lib/input/input-container.scss
@@ -94,7 +94,7 @@ $mat-input-underline-disabled-background-image:
   // Once the autofill is committed, a change event happen and the regular md-input-container
   // classes take over to fulfill this behaviour.
   // Assumes the autofill is non-empty.
-  &:-webkit-autofill + .mat-input-placeholder.mat-float {
+  &:-webkit-autofill + .mat-input-placeholder-wrapper .mat-float {
     @include mat-input-placeholder-floating;
   }