diff --git a/kdirstat/kstdcleanup.h b/kdirstat/kstdcleanup.h
index c5114d4..a89cd9c 100644
--- a/kdirstat/kstdcleanup.h
+++ b/kdirstat/kstdcleanup.h
@@ -18,11 +18,13 @@
 
 // Forward declarations
 class TDEActionCollection;
-class KDirStat::KCleanup;
 
 
 namespace KDirStat
 {
+    // Forward declarations
+    class KCleanup;
+
     /**
      * Predefined standard @ref KCleanup actions to be performed on
      * @ref KDirTree items.