diff --git a/dviwin.cpp b/dviwin.cpp
index 5956a56c5..bf2106707 100644
--- a/dviwin.cpp
+++ b/dviwin.cpp
@@ -25,7 +25,7 @@
 #include <qurl.h>
 #include <qvbox.h>
 
-#include <kapp.h>
+#include <kapplication.h>
 #include <kmessagebox.h>
 #include <kmimemagic.h>
 #include <kdebug.h>
diff --git a/kdvi_multipage.cpp b/kdvi_multipage.cpp
index 684134ca4..d49d14f00 100644
--- a/kdvi_multipage.cpp
+++ b/kdvi_multipage.cpp
@@ -2,7 +2,7 @@
 #include <kaction.h>
 #include <kaboutdata.h>
 #include <kaboutdialog.h>
-#include <kapp.h>
+#include <kapplication.h>
 #include <kbugreport.h>
 #include <kconfig.h>
 #include <kdebug.h>
diff --git a/optiondialog.cpp b/optiondialog.cpp
index 1d6de2b42..9099957bf 100644
--- a/optiondialog.cpp
+++ b/optiondialog.cpp
@@ -22,7 +22,7 @@
 // Add header files alphabetically
 
 #include <config.h>
-#include <kapp.h>
+#include <kapplication.h>
 #include <kcombobox.h>
 #include <kconfig.h>
 #include <kdebug.h>