diff --git a/app/src/main/res/xml/key_styles_number.xml b/app/src/main/res/xml/key_styles_number.xml
index 189d91c45..1bb90f5fa 100644
--- a/app/src/main/res/xml/key_styles_number.xml
+++ b/app/src/main/res/xml/key_styles_number.xml
@@ -105,6 +105,7 @@
         latin:keySpec="!icon/space_key_for_number_layout|!code/key_space"
         latin:keyLabelFlags="alignIconToBottom"
         latin:keyActionFlags="enableLongPress"
+        latin:backgroundType="functional"
         latin:parentStyle="numKeyBaseStyle" />
     <!-- TODO: Consolidate these space key styles with numSpaceKeyStyle above by introducing <case>
          predicator that checks device form-factor. -->