diff --git a/kmail/kmcomposewin.cpp b/kmail/kmcomposewin.cpp
index 3b35854f..84a74493 100644
--- a/kmail/kmcomposewin.cpp
+++ b/kmail/kmcomposewin.cpp
@@ -77,7 +77,7 @@ using TDERecentAddress::RecentAddresses;
 #include "chiasmuskeyselector.h"
 
 #include <kcharsets.h>
-#include <kcompletionbox.h>
+#include <tdecompletionbox.h>
 #include <kcursor.h>
 #include <kcombobox.h>
 #include <tdestdaccel.h>
diff --git a/kmail/kmlineeditspell.cpp b/kmail/kmlineeditspell.cpp
index c8bb2894..cc6de465 100644
--- a/kmail/kmlineeditspell.cpp
+++ b/kmail/kmlineeditspell.cpp
@@ -20,7 +20,7 @@
 #include <kurl.h>
 #include <kurldrag.h>
 #include <kmessagebox.h>
-#include <kcompletionbox.h>
+#include <tdecompletionbox.h>
 #include <klocale.h>
 
 #include <tqevent.h>
diff --git a/kmail/recipientseditor.cpp b/kmail/recipientseditor.cpp
index a52a6db5..01529b81 100644
--- a/kmail/recipientseditor.cpp
+++ b/kmail/recipientseditor.cpp
@@ -32,7 +32,7 @@
 #include <libemailfunctions/email.h>
 
 #include <kapplication.h>
-#include <kcompletionbox.h>
+#include <tdecompletionbox.h>
 #include <kdebug.h>
 #include <kinputdialog.h>
 #include <klocale.h>
diff --git a/knode/kncomposer.cpp b/knode/kncomposer.cpp
index d6617fd9..8c05e1a8 100644
--- a/knode/kncomposer.cpp
+++ b/knode/kncomposer.cpp
@@ -44,7 +44,7 @@ using TDERecentAddress::RecentAddresses;
 #include <ksyntaxhighlighter.h>
 #include <tqcursor.h>
 #include <kurldrag.h>
-#include <kcompletionbox.h>
+#include <tdecompletionbox.h>
 
 #include <kapplication.h>
 #include "kngroupselectdialog.h"
diff --git a/libtdepim/addresseelineedit.cpp b/libtdepim/addresseelineedit.cpp
index 0ff6eed8..bfb736b5 100644
--- a/libtdepim/addresseelineedit.cpp
+++ b/libtdepim/addresseelineedit.cpp
@@ -41,7 +41,7 @@
 #include <kabc/resource.h>
 #include <libemailfunctions/email.h>
 
-#include <kcompletionbox.h>
+#include <tdecompletionbox.h>
 #include <kcursor.h>
 #include <kdebug.h>
 #include <kstandarddirs.h>