diff --git a/obelisk/frontend/src/Frontend.hs b/obelisk/frontend/src/Frontend.hs
index c9b4a74592027d375ba1ce6178e97be3fb220040..f36497f9974a62df586cfca0770b9f24c61e3faa 100644
--- a/obelisk/frontend/src/Frontend.hs
+++ b/obelisk/frontend/src/Frontend.hs
@@ -42,6 +42,9 @@ makeFrontend callbackRef = Frontend
   { _frontend_head = do
       el "title" $ text "Tahoe-LAFS Mobile"
 
+      -- Required for proper resolution / font size
+      elAttr "meta" ("name" =: "viewport" <> "content" =: "width=device-width, initial-scale=1.0") blank
+
       -- Include external Material 2 assets
       elAttr "link" ("href" =: materialComponentsCss <> "rel" =: "stylesheet") blank
       elAttr "link" ("href" =: materialIconsCss <> "rel" =: "stylesheet") blank