diff --git a/data/sm.puri.Calls.desktop b/data/sm.puri.Calls.desktop
index 96fced5..f648aa6 100644
--- a/data/sm.puri.Calls.desktop
+++ b/data/sm.puri.Calls.desktop
@@ -13,3 +13,4 @@ StartupNotify=true
 Terminal=false
 Categories=GNOME;GTK;Telephony;
 MimeType=x-scheme-handler/tel
+X-Purism-FormFactor=Workstation;Mobile;
diff --git a/data/sm.puri.Calls.metainfo.xml b/data/sm.puri.Calls.metainfo.xml
index 212763f..ace17f7 100644
--- a/data/sm.puri.Calls.metainfo.xml
+++ b/data/sm.puri.Calls.metainfo.xml
@@ -63,4 +63,9 @@
             <description>Pre-release development</description>
         </release>
     </releases>
+
+    <custom>
+        <value key="Purism::form_factor">workstation</value>
+        <value key="Purism::form_factor">mobile</value>
+    </custom>
 </component>