diff --git a/libtaskmanager/abstracttasksmodel.h b/libtaskmanager/abstracttasksmodel.h
--- a/libtaskmanager/abstracttasksmodel.h
+++ b/libtaskmanager/abstracttasksmodel.h
@@ -83,8 +83,8 @@
         ScreenGeometry,   /**< Screen geometry for the task (i.e. the window's screen). */
         Activities,       /**< Activities for the task (i.e. window). */
         IsDemandingAttention, /**< Task is demanding attention. */
-        SkipTaskbar,      /**< Task desires not to be shown in a 'task bar' user interface. */
-        SkipPager,        /**< Task desires not to be shown in a 'pager' user interface. */
+        SkipTaskbar,      /**< Task should not be shown in a 'task bar' user interface. */
+        SkipPager,        /**< Task should not to be shown in a 'pager' user interface. */
     };
 
     explicit AbstractTasksModel(QObject *parent = nullptr);
diff --git a/libtaskmanager/taskfilterproxymodel.h b/libtaskmanager/taskfilterproxymodel.h
--- a/libtaskmanager/taskfilterproxymodel.h
+++ b/libtaskmanager/taskfilterproxymodel.h
@@ -214,42 +214,42 @@
     void setFilterNotMinimized(bool filter);
 
     /**
-     * Whether tasks which indicate they want to be omitted from 'task bars'
-     * should be filtered. Defaults to @c true.
+     * Whether tasks which should be omitted from 'task bars' should be
+     * filtered. Defaults to @c true.
      *
      * @see setFilterSkipTaskbar
-     * @returns @c true if tasks which want to skip the 'task bar' should be
-     * filtered.
+     * @returns @c true if tasks which should not be on the 'task bar'
+     * should be filtered.
      **/
     bool filterSkipTaskbar() const;
 
     /**
-     * Set whether tasks which indicate they want to be omitted from 'task bars'
-     * should be filtered.
+     * Set whether tasks which should be omitted from 'task bars' should be
+     * filtered.
      *
      * @see filterSkipTaskbar
-     * @param filter Whether tasks which want to skip the 'task bar' should be
-     * filtered.
+     * @param filter Whether tasks whichs should not be on the 'task bar'
+     * should be filtered.
      **/
     void setFilterSkipTaskbar(bool filter);
 
     /**
-     * Whether tasks which indicate they want to be omitted from 'pagers'
-     * should be filtered. Defaults to @c true.
+     * Whether tasks which should be omitted from 'pagers' should be
+     * filtered. Defaults to @c true.
      *
      * @see setFilterSkipPager
-     * @returns @c true if tasks which want to skip the 'pager' should be
-     * filtered.
+     * @returns @c true if tasks which should not be on the 'pager' should
+     * be filtered.
      **/
     bool filterSkipPager() const;
 
     /**
-     * Set whether tasks which indicate they want to be omitted from 'pagers'
-     * should be filtered.
+     * Set whether tasks which should be omitted from 'pagers' should be
+     * filtered.
      *
      * @see filterSkipPager
-     * @param filter Whether tasks which want to skip the 'pager' should be
-     * filtered.
+     * @param filter Whether tasks which should not be on the 'pager' should
+     * be filtered.
      **/
     void setFilterSkipPager(bool filter);
 
diff --git a/libtaskmanager/xwindowtasksmodel.cpp b/libtaskmanager/xwindowtasksmodel.cpp
--- a/libtaskmanager/xwindowtasksmodel.cpp
+++ b/libtaskmanager/xwindowtasksmodel.cpp
@@ -362,6 +362,11 @@
         changedRoles << IsShaded << IsDemandingAttention << SkipTaskbar << SkipPager;
     }
 
+    if (properties & NET::WMWindowType) {
+        wipeInfoCache = true;
+        changedRoles << SkipTaskbar;
+    }
+
     if (properties2 & NET::WM2AllowedActions) {
         wipeInfoCache = true;
         changedRoles << IsClosable << IsMovable << IsResizable << IsMaximizable << IsMinimizable;
@@ -904,7 +909,10 @@
     } else if (role == IsDemandingAttention) {
         return d->demandsAttention(window);
     } else if (role == SkipTaskbar) {
-        return d->windowInfo(window)->hasState(NET::SkipTaskbar);
+        const KWindowInfo *info = d->windowInfo(window);
+        // _NET_WM_WINDOW_TYPE_UTILITY type windows should not be on task bars,
+        // but they should be shown on pagers.
+        return (info->hasState(NET::SkipTaskbar) || info->windowType(NET::UtilityMask) == NET::Utility);
     } else if (role == SkipPager) {
         return d->windowInfo(window)->hasState(NET::SkipPager);
     }