diff --git a/res/layout/data_usage_summary_preference.xml b/res/layout/data_usage_summary_preference.xml
index eda8a81e250..384ed8c1595 100644
--- a/res/layout/data_usage_summary_preference.xml
+++ b/res/layout/data_usage_summary_preference.xml
@@ -48,6 +48,7 @@
             android:layout_height="wrap_content"
             android:fontFamily="@*android:string/config_headlineFontFamily"
             android:textAppearance="?android:attr/textAppearanceMedium"
+            android:textSize="16sp"
             android:textColor="?android:attr/colorAccent" />
 
         <Space
@@ -60,6 +61,7 @@
             android:layout_height="wrap_content"
             android:fontFamily="@*android:string/config_headlineFontFamily"
             android:textAppearance="?android:attr/textAppearanceMedium"
+            android:textSize="16sp"
             android:textColor="?android:attr/colorAccent" />
 
     </LinearLayout>