diff --git a/Doxyfile b/Doxyfile
index f263322..0132d23 100644
--- a/Doxyfile
+++ b/Doxyfile
@@ -134,7 +134,7 @@ SHORT_NAMES            = NO
 # If the JAVADOC_AUTOBRIEF tag is set to YES then Doxygen 
 # will interpret the first line (until the first dot) of a JavaDoc-style 
 # comment as the brief description. If set to NO, the JavaDoc 
-# comments will behave just like the Qt-style comments (thus requiring an 
+# comments will behave just like the TQt-style comments (thus requiring an
 # explicit @brief command for a brief description.
 
 JAVADOC_AUTOBRIEF      = NO
diff --git a/all.pro b/all.pro
index fec234c..779368e 100644
--- a/all.pro
+++ b/all.pro
@@ -10,8 +10,8 @@ win32: LIBUSB_PATH = "C:\Progra~1\LibUSB-Win32"
 DEFINES      += NO_KDE TQT_NO_ASCII_CAST
 OBJECTS_DIR   = .libs
 MOC_DIR       = .libs
-QT            = qt3support core xml network
-CONFIG       += qt thread warn_on console
+TQT           = qt3support core xml network
+CONFIG       += tqt thread warn_on console
 unix:CONFIG  += release #debug
 win32:CONFIG += release
 INCLUDEPATH  += $${STOPDIR}/src $${STOPDIR}
diff --git a/man/piklab-coff.1 b/man/piklab-coff.1
index 2a903a1..42a7126 100644
--- a/man/piklab-coff.1
+++ b/man/piklab-coff.1
@@ -17,7 +17,7 @@
 .SH "NAME"
 piklab\-coff \- Command\-line utility to view COFF files.
 .SH "SYNOPSIS"
-.B piklab\-coff [Qt\-options] [KDE\-options] [options] [file]
+.B piklab\-coff [TQt\-options] [KDE\-options] [options] [file]
 .RI 
 
 .SH "DESCRIPTION"
@@ -42,8 +42,8 @@ Show summary of options.
 .B \-v, \-\-version
 Show version of program.
 .TP 
-.B \-\-help\-qt
-	Show Qt specific options
+.B \-\-help\-tqt
+	Show TQt specific options
 .TP 
 .B \-\-help\-kde
 	Show KDE specific options
diff --git a/man/piklab-prog.1 b/man/piklab-prog.1
index c64213e..e0d6340 100644
--- a/man/piklab-prog.1
+++ b/man/piklab-prog.1
@@ -16,7 +16,7 @@
 .\" for manpage-specific macros, see man(7)
 .SH PIKLAB-PROG \- Commandline program for PIC-microcontroller programming.
 .SH SYNOPSIS
-.B piklab-prog [Qt-options] [KDE-options] [options] [file]
+.B piklab-prog [TQt-options] [KDE-options] [options] [file]
 .RI
 
 .br
@@ -40,8 +40,8 @@ A summary of options is included below.
 .B \-v, \-\-version
 	Show version of program.
 .TP
-.B \-\-help-qt
-	Show Qt specific options
+.B \-\-help-tqt
+	Show TQt specific options
 .TP
 .B \-\-help-kde
 	Show KDE specific options
diff --git a/man/piklab.1x b/man/piklab.1x
index 83bf689..65d9e2c 100644
--- a/man/piklab.1x
+++ b/man/piklab.1x
@@ -19,7 +19,7 @@
 .TP
 .SH SYNOPSIS
 
-.B piklab [Qt-options] [KDE-options] [file]
+.B piklab [TQt-options] [KDE-options] [file]
 
 .br
 .\" TeX users may be more comfortable with the \fB<whatever>\fP and
@@ -41,8 +41,8 @@ Show summary of options.
 .B \-v, \-\-version
 Show version of program.
 .TP
-.B \-\-help-qt
-	Show Qt specific options
+.B \-\-help-tqt
+	Show TQt specific options
 .TP
 .B \-\-help-kde
 	Show KDE specific options
diff --git a/piklab.tdevelop b/piklab.tdevelop
index 4fa5366..34b9ad0 100644
--- a/piklab.tdevelop
+++ b/piklab.tdevelop
@@ -7,7 +7,7 @@
     <primarylanguage>C++</primarylanguage>
     <keywords>
       <keyword>KDE</keyword>
-      <keyword>Qt</keyword>
+      <keyword>TQt</keyword>
     </keywords>
     <projectdirectory>.</projectdirectory>
     <absoluteprojectpath>false</absoluteprojectpath>
diff --git a/src/common/global/about.cpp b/src/common/global/about.cpp
index e0567dc..5f1942f 100644
--- a/src/common/global/about.cpp
+++ b/src/common/global/about.cpp
@@ -48,7 +48,7 @@ void Piklab::init(TDEAboutData *about, int argc, char **argv, bool gui, const TD
 #  if defined(Q_OS_WIN)
   printf("%s \"win32\": version %s\n", about->appName(), VERSION);
 #  else
-  printf("%s \"qt-only\": version %s (rev. %s)\n", about->appName(), VERSION, SVN_REVISION);
+  printf("%s \"tqt-only\": version %s (rev. %s)\n", about->appName(), VERSION, SVN_REVISION);
 #  endif
   Q_UNUSED(gui);
   Q_ASSERT( !gui );
diff --git a/src/common/nokde/nokde_tdecmdlineargs.cpp b/src/common/nokde/nokde_tdecmdlineargs.cpp
index 613a118..25b8a9d 100644
--- a/src/common/nokde/nokde_tdecmdlineargs.cpp
+++ b/src/common/nokde/nokde_tdecmdlineargs.cpp
@@ -258,7 +258,7 @@ TDECmdLineArgs::saveAppArgs( TQDataStream &ds)
       parseAllArgs();
 
    // Remove TQt and KDE options.
-   removeArgs("qt");
+   removeArgs("tqt");
    removeArgs("kde");
 
    TQCString qCwd = mCwd;
@@ -281,7 +281,7 @@ void
 TDECmdLineArgs::loadAppArgs( TQDataStream &ds)
 {
    // Remove TQt and KDE options.
-   removeArgs("qt");
+   removeArgs("tqt");
    removeArgs("kde");
 
    TDECmdLineArgs *args;
@@ -699,8 +699,8 @@ TDECmdLineArgs::tqt_argc()
    if( tqt_argc != -1 )
       return &tqt_argc;
 
-   TDECmdLineArgs *args = parsedArgs("qt");
-   assert(args); // No qt options have been added!
+   TDECmdLineArgs *args = parsedArgs("tqt");
+   assert(args); // No tqt options have been added!
    if (!argv)
    {
       fprintf(stderr, "\n\nFAILURE (TDECmdLineArgs):\n");
@@ -730,8 +730,8 @@ TDECmdLineArgs::tqt_argv()
    if( tqt_argv != NULL )
       return &tqt_argv;
 
-   TDECmdLineArgs *args = parsedArgs("qt");
-   assert(args); // No qt options have been added!
+   TDECmdLineArgs *args = parsedArgs("tqt");
+   assert(args); // No tqt options have been added!
    if (!argv)
    {
       fprintf(stderr, "\n\nFAILURE (TDECmdLineArgs):\n");
@@ -1018,7 +1018,7 @@ TDECmdLineArgs::TDECmdLineArgs( const TDECmdLineOptions *_options,
 {
   parsedOptionList = 0;
   parsedArgList = 0;
-  isTQt = (::qstrcmp(id, "qt") == 0);
+  isTQt = (::qstrcmp(id, "tqt") == 0);
 }
 
 /**