diff --git a/src/main.cpp b/src/main.cpp
index a7917d5..7f71056 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -19,11 +19,11 @@
 
 #include "danbooru_client.h"
 #include <KDE/KApplication>
-#include <KDE/KAboutData>
+#include <KDE/K4AboutData>
 #include <KDE/KCmdLineArgs>
 #include <KDE/KLocale>
 #include <QApplication>
-#include <KAboutData>
+#include <K4AboutData>
 #include <KLocalizedString>
 #include <QCommandLineParser>
 #include <QCommandLineOption>
@@ -35,12 +35,12 @@ static const char version[] = "%{VERSION}";
 
 int main(int argc, char **argv)
 {
-    KAboutData about("danbooru_client", 0, ki18n("danbooru_client"), version, ki18n(description),
-                     KAboutData::License_GPL, ki18n("(C) %{CURRENT_YEAR} %{AUTHOR}"), KLocalizedString(), 0, "%{EMAIL}");
+    K4AboutData about("danbooru_client", 0, ki18n("danbooru_client"), version, ki18n(description),
+                     K4AboutData::License_GPL, ki18n("(C) %{CURRENT_YEAR} %{AUTHOR}"), KLocalizedString(), 0, "%{EMAIL}");
     about.addAuthor( ki18n("%{AUTHOR}"), KLocalizedString(), "%{EMAIL}" );
     QApplication app(argc, argv);
     QCommandLineParser parser;
-    KAboutData::setApplicationData(aboutData);
+    K4AboutData::setApplicationData(aboutData);
     parser.addVersionOption();
     parser.addHelpOption();
     //PORTING SCRIPT: adapt aboutdata variable if necessary