diff --git a/src/kqalculate.cpp b/src/kqalculate.cpp
index d14dd97..535742d 100644
--- a/src/kqalculate.cpp
+++ b/src/kqalculate.cpp
@@ -54,7 +54,7 @@
 
 #include <twin.h>
 #include <tdeglobalsettings.h>
-#include <kuniqueapplication.h>
+#include <tdeuniqueapplication.h>
 #include <kstringhandler.h>
 #include <tqtable.h>
 #include <kseparator.h>
@@ -212,7 +212,7 @@ void ModeObject::loadMode() {
 	mainWin->loadMode(i_mode);
 }
 
-KQalculate::KQalculate(KUniqueApplication *parent, const char* name, WFlags fl) : TDEMainWindow(0, name, fl) {
+KQalculate::KQalculate(TDEUniqueApplication *parent, const char* name, WFlags fl) : TDEMainWindow(0, name, fl) {
 
 	if(!name) setName("kqalculate");
 
diff --git a/src/kqalculate.h b/src/kqalculate.h
index f375e47..59a086f 100644
--- a/src/kqalculate.h
+++ b/src/kqalculate.h
@@ -79,7 +79,7 @@ class TQRadioButton;
 class QalculateButton;
 class TQVBoxLayout;
 class KSeparator;
-class KUniqueApplication;
+class TDEUniqueApplication;
 class TDEConfig;
 class TQListViewItem;
 class QalculateRPNStackListView;
@@ -116,7 +116,7 @@ class KQalculate : public TDEMainWindow {
 
 public:
 
-	KQalculate(KUniqueApplication *parent = 0, const char* name = 0, WFlags fl = WType_TopLevel | WDestructiveClose);
+	KQalculate(TDEUniqueApplication *parent = 0, const char* name = 0, WFlags fl = WType_TopLevel | WDestructiveClose);
 	virtual ~KQalculate();
 
 	void setupActions();
@@ -193,7 +193,7 @@ public:
 	TQVBoxLayout *stackPageButtonsLayout;
 	QalculateButton *registerUpButton, *registerDownButton, *deleteRegisterButton, *editRegisterButton, *clearStackButton;
 	TQPopupMenu *stackMenu;
-	KUniqueApplication *m_parent;
+	TDEUniqueApplication *m_parent;
 	KSystemTray *trayicon;
 	QalculateButton *executeButton, *storeButton, *convertButton;
 	QalculateButton *functionsButton;
diff --git a/src/main.cpp b/src/main.cpp
index dc58a17..9ebaa7d 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -26,7 +26,7 @@
 #include "preferences.h"
 #include <string>
 #include <twin.h>
-#include <kuniqueapplication.h>
+#include <tdeuniqueapplication.h>
 #include <tdeaboutdata.h>
 #include <tdecmdlineargs.h>
 #include <tdelocale.h>
@@ -77,7 +77,7 @@ extern TQValueVector<TQString> recent_units_pre;
 
 TQTimer *error_timer;
 
-void create_qalculate_window(KUniqueApplication *parent) {
+void create_qalculate_window(TDEUniqueApplication *parent) {
 
 	TQTextCodec::setCodecForCStrings(TQTextCodec::codecForName("utf8"));
 
@@ -223,7 +223,7 @@ void start_qalculate() {
 
 }
 
-class QalculateApp : public KUniqueApplication {
+class QalculateApp : public TDEUniqueApplication {
 
 public: 
 
@@ -276,7 +276,7 @@ public:
 				start_qalculate();
 			}
 			started = true;			
-			return KUniqueApplication::newInstance();
+			return TDEUniqueApplication::newInstance();
 		}
 		started = true;
 		return 0;
@@ -292,7 +292,7 @@ int main(int argc, char **argv) {
 	about.addAuthor("Niklas Knutsson", 0, "nq@altern.org");
 	TDECmdLineArgs::init(argc, argv, &about);
 	TDECmdLineArgs::addCmdLineOptions(options);
-	KUniqueApplication::addCmdLineOptions();	
+	TDEUniqueApplication::addCmdLineOptions();	
 		
 	if(!QalculateApp::start()) {
  		return 0;