diff --git a/applets/pager/package/contents/ui/main.qml b/applets/pager/package/contents/ui/main.qml
--- a/applets/pager/package/contents/ui/main.qml
+++ b/applets/pager/package/contents/ui/main.qml
@@ -534,7 +534,7 @@
 
     Component.onCompleted: {
         if (isActivityPager) {
-            plasmoid.setAction("showActivityManager", i18n("Show Activity Manager..."), "preferences-activities");
+            plasmoid.setAction("showActivityManager", i18n("Show Activity Manager..."), "activities");
         } else {
             if (KQuickControlsAddonsComponents.KCMShell.authorize("kcm_kwin_virtualdesktops.desktop").length > 0) {
                 plasmoid.setAction("addDesktop", i18n("Add Virtual Desktop"), "list-add");
diff --git a/applets/showActivityManager/package/contents/ui/main.qml b/applets/showActivityManager/package/contents/ui/main.qml
--- a/applets/showActivityManager/package/contents/ui/main.qml
+++ b/applets/showActivityManager/package/contents/ui/main.qml
@@ -55,12 +55,12 @@
         mainText: i18n("Show Activity Manager")
         subText: i18n("Click to show the activity manager")
         anchors.fill: parent
-        icon: "preferences-activities"
+        icon: "activities"
     }
 
     PlasmaCore.IconItem {
         id: icon
-        source: "preferences-activities"
+        source: "activities"
         width: parent.width
         height: parent.height
     }
diff --git a/applets/showActivityManager/package/metadata.desktop b/applets/showActivityManager/package/metadata.desktop
--- a/applets/showActivityManager/package/metadata.desktop
+++ b/applets/showActivityManager/package/metadata.desktop
@@ -113,7 +113,7 @@
 Comment[x-test]=xxShows the activity managerxx
 Comment[zh_CN]=显示活动管理器
 Comment[zh_TW]=顯示活動管理員
-Icon=preferences-activities
+Icon=activities
 Type=Service
 
 X-Plasma-API=declarativeappletscript
diff --git a/kcms/activities/imports/dialog.cpp b/kcms/activities/imports/dialog.cpp
--- a/kcms/activities/imports/dialog.cpp
+++ b/kcms/activities/imports/dialog.cpp
@@ -178,7 +178,7 @@
     setActivityId(activityId);
     setActivityName(QString());
     setActivityDescription(QString());
-    setActivityIcon(QStringLiteral("preferences-activities"));
+    setActivityIcon(QStringLiteral("activities"));
     setActivityIsPrivate(false);
 
     setActivityShortcut(QKeySequence());
diff --git a/kcms/activities/imports/qml/activityDialog/GeneralTab.qml b/kcms/activities/imports/qml/activityDialog/GeneralTab.qml
--- a/kcms/activities/imports/qml/activityDialog/GeneralTab.qml
+++ b/kcms/activities/imports/qml/activityDialog/GeneralTab.qml
@@ -50,7 +50,7 @@
         implicitWidth: height
         icon.height: Kirigami.Units.iconSizes.medium
         icon.width: Kirigami.Units.iconSizes.medium
-        icon.name: "preferences-activities"
+        icon.name: "activities"
         Kirigami.FormData.label: i18nd("kcm_activities5", "Icon:")
 
         KQuickControlsAddons.IconDialog {