diff --git a/src/MatBlazor/Components/MatAutocomplete/BaseMatAutocomplete.cs b/src/MatBlazor/Components/MatAutocomplete/BaseMatAutocomplete.cs
index 88b43fdd..83c44dfb 100644
--- a/src/MatBlazor/Components/MatAutocomplete/BaseMatAutocomplete.cs
+++ b/src/MatBlazor/Components/MatAutocomplete/BaseMatAutocomplete.cs
@@ -231,6 +231,15 @@ protected async void OnKeyDownHandler(object sender, KeyboardEventArgs ev)
                 currentIndex--;
                 wasCurrentIndexChanged = true;
             }
+            if (ev.Key == "Backspace")
+            {
+                currentIndex = 0;
+                wasCurrentIndexChanged = true;
+            }
+            if (ev.Key == "Tab")
+            {
+                return;
+            }
             if (wasCurrentIndexChanged)
             {
                 await ListRef.SetSelectedIndex(currentIndex);