diff --git a/java/res/values/dimens.xml b/java/res/values/dimens.xml
index 765262d56..a2ce3648d 100644
--- a/java/res/values/dimens.xml
+++ b/java/res/values/dimens.xml
@@ -25,8 +25,8 @@
     <dimen name="key_horizontal_gap">0.000in</dimen>
     <dimen name="popup_key_height">0.325in</dimen>
     <dimen name="keyboard_bottom_padding">0.06in</dimen>
-    <!-- key_height x 1.6 -->
-    <dimen name="key_preview_height">0.464in</dimen>
+    <!-- key_preview_text_size_large x 2 -->
+    <dimen name="key_preview_height">80sp</dimen>
     <!-- Amount of allowance for selecting keys in a mini popup keyboard by sliding finger. -->
     <!-- popup_key_height x 1.7 -->
     <dimen name="mini_keyboard_slide_allowance">0.553in</dimen>
@@ -35,7 +35,7 @@
 
     <dimen name="key_text_size">0.13in</dimen>
     <dimen name="key_label_text_size">0.083in</dimen>
-    <dimen name="key_preview_text_size_large">0.236in</dimen>
+    <dimen name="key_preview_text_size_large">40sp</dimen>
     <dimen name="key_preview_offset">0.000in</dimen>
     <!-- We use "inch", not "dip" because this value tries dealing with physical distance related
          to user's finger. -->