diff --git a/desktop/mate/mate-system-monitor/pspec.xml b/desktop/mate/mate-system-monitor/pspec.xml
index 29465668f0..be77d189f4 100644
--- a/desktop/mate/mate-system-monitor/pspec.xml
+++ b/desktop/mate/mate-system-monitor/pspec.xml
@@ -44,7 +44,7 @@
             <Dependency>librsvg</Dependency>
             <Dependency>libxml2</Dependency>
             <Dependency>libgtop</Dependency>
-            <Dependency>libwnck2</Dependency>
+            <Dependency>libwnck3</Dependency>
             <Dependency>libsigc++</Dependency>
             <Dependency>gdk-pixbuf</Dependency>
         </RuntimeDependencies>