diff --git a/src/tdepowersave.h b/src/tdepowersave.h
index 66ecf96..90896f9 100644
--- a/src/tdepowersave.h
+++ b/src/tdepowersave.h
@@ -36,6 +36,7 @@
 #include <kprocess.h>
 #include <ksystemtray.h>
 #include <dcopobject.h>
+#include <tdehardwaredevices.h>
 
 // QT - Header
 #include <tqpopupmenu.h>