diff --git a/src/kdiff3_part.cpp b/src/kdiff3_part.cpp
index 75fa4ad..ddc2bdb 100644
--- a/src/kdiff3_part.cpp
+++ b/src/kdiff3_part.cpp
@@ -19,7 +19,7 @@
 
 #include "kdiff3_part.h"
 
-#include <kinstance.h>
+#include <tdeinstance.h>
 #include <tdeaction.h>
 #include <kstdaction.h>
 #include <tdefiledialog.h>