diff --git a/src/common/const.ts b/src/common/const.ts
index f9ed0e8ff6..8b86ced750 100644
--- a/src/common/const.ts
+++ b/src/common/const.ts
@@ -21,6 +21,7 @@ import {
   mdiCommentAlert,
   mdiCounter,
   mdiCurrentAc,
+  mdiDatabase,
   mdiEye,
   mdiFan,
   mdiFlash,
@@ -133,6 +134,7 @@ export const FIXED_DEVICE_CLASS_ICONS = {
   carbon_dioxide: mdiMoleculeCo2,
   carbon_monoxide: mdiMoleculeCo,
   current: mdiCurrentAc,
+  data_size: mdiDatabase,
   date: mdiCalendar,
   distance: mdiArrowLeftRight,
   duration: mdiProgressClock,