diff --git a/core/java/android/widget/SelectionActionModeHelper.java b/core/java/android/widget/SelectionActionModeHelper.java
index 89182b08ebf21..3d54fe7d89823 100644
--- a/core/java/android/widget/SelectionActionModeHelper.java
+++ b/core/java/android/widget/SelectionActionModeHelper.java
@@ -400,6 +400,7 @@ final class SelectionActionModeHelper {
                 CharSequence text, int selectionStart, int selectionEnd, LocaleList locales) {
             mTextClassifier = Preconditions.checkNotNull(textClassifier);
             mText = Preconditions.checkNotNull(text).toString();
+            mLastClassificationText = null; // invalidate.
             Preconditions.checkArgument(selectionEnd > selectionStart);
             mSelectionStart = selectionStart;
             mSelectionEnd = selectionEnd;