diff --git a/src/imports/activitymodel.cpp b/src/imports/activitymodel.cpp
--- a/src/imports/activitymodel.cpp
+++ b/src/imports/activitymodel.cpp
@@ -562,7 +562,7 @@
             const QString &icon = item->icon();
 
             // We need a default icon for activities
-            return icon.isEmpty() ? QStringLiteral("preferences-activities") : icon;
+            return icon.isEmpty() ? QStringLiteral("activities") : icon;
         }
 
     case ActivityDescription:
diff --git a/src/lib/activitiesmodel.cpp b/src/lib/activitiesmodel.cpp
--- a/src/lib/activitiesmodel.cpp
+++ b/src/lib/activitiesmodel.cpp
@@ -398,7 +398,7 @@
                 const QString &icon = item->icon();
 
                 // We need a default icon for activities
-                return icon.isEmpty() ? QStringLiteral("preferences-activities") : icon;
+                return icon.isEmpty() ? QStringLiteral("activities") : icon;
             }
 
         case ActivityDescription: