diff --git a/applets/taskmanager/package/contents/config/main.xml b/applets/taskmanager/package/contents/config/main.xml
--- a/applets/taskmanager/package/contents/config/main.xml
+++ b/applets/taskmanager/package/contents/config/main.xml
@@ -97,6 +97,11 @@
       <label>Whether task buttons should change in appearance when the mouse pointer is above them.</label>
       <default>true</default>
     </entry>
+    <entry name="maxTextLines" type="Int">
+      <label>The maximum number of text lines to show in a task button. 0 means no limit.</label>
+      <default>0</default>
+      <min>1</min>
+    </entry>
   </group>
 
 </kcfg>
diff --git a/applets/taskmanager/package/contents/ui/Task.qml b/applets/taskmanager/package/contents/ui/Task.qml
--- a/applets/taskmanager/package/contents/ui/Task.qml
+++ b/applets/taskmanager/package/contents/ui/Task.qml
@@ -475,6 +475,7 @@
         elide: Text.ElideRight
         textFormat: Text.PlainText
         verticalAlignment: Text.AlignVCenter
+        maximumLineCount: plasmoid.configuration.maxTextLines || undefined
     }
 
     states: [