diff --git a/configure.in.in b/configure.in.in
index 3eb0c23..f7a48bd 100644
--- a/configure.in.in
+++ b/configure.in.in
@@ -271,8 +271,8 @@ CXXFLAGS="$CXXFLAGS $all_includes"
 AC_MSG_CHECKING(for libkcddb library and headers)
 AC_TRY_LINK(
     [
-#ifdef QT_NO_CAST_ASCII
-#undef QT_NO_CAST_ASCII
+#ifdef TQT_NO_CAST_ASCII
+#undef TQT_NO_CAST_ASCII
 #endif
 #include <libkcddb/cddb.h>
         ],
@@ -324,8 +324,8 @@ CXXFLAGS="$CXXFLAGS $all_includes"
 AC_MSG_CHECKING(for libkcal library and headers)
 AC_TRY_LINK(
     [
-#ifdef QT_NO_CAST_ASCII
-#undef QT_NO_CAST_ASCII
+#ifdef TQT_NO_CAST_ASCII
+#undef TQT_NO_CAST_ASCII
 #endif
 #include <libkcal/todo.h>
         ],
diff --git a/src/translators/tellicosaximporter.cpp b/src/translators/tellicosaximporter.cpp
index de60c63..4adc6f2 100644
--- a/src/translators/tellicosaximporter.cpp
+++ b/src/translators/tellicosaximporter.cpp
@@ -11,7 +11,7 @@
  *                                                                         *
  ***************************************************************************/
 
-//  before tellicosaxmporter.h because of QT_NO_CAST_ASCII issues
+//  before tellicosaxmporter.h because of TQT_NO_CAST_ASCII issues
 #include "tellicoxmlhandler.h"
 #include "tellicosaximporter.h"
 #include "tellico_xml.h"
diff --git a/src/translators/xmlstatehandler.h b/src/translators/xmlstatehandler.h
index 8b5c137..0f168d4 100644
--- a/src/translators/xmlstatehandler.h
+++ b/src/translators/xmlstatehandler.h
@@ -14,16 +14,16 @@
 #ifndef TELLICO_IMPORT_XMLSTATEHANDLER_H
 #define TELLICO_IMPORT_XMLSTATEHANDLER_H
 
-#ifdef QT_NO_CAST_ASCII
-#define HAD_QT_NO_CAST_ASCII
-#undef QT_NO_CAST_ASCII
+#ifdef TQT_NO_CAST_ASCII
+#define HAD_TQT_NO_CAST_ASCII
+#undef TQT_NO_CAST_ASCII
 #endif
 
 #include <tqxml.h>
 
-#ifdef HAD_QT_NO_CAST_ASCII
-#define QT_NO_CAST_ASCII
-#undef HAD_QT_NO_CAST_ASCII
+#ifdef HAD_TQT_NO_CAST_ASCII
+#define TQT_NO_CAST_ASCII
+#undef HAD_TQT_NO_CAST_ASCII
 #endif
 
 #include "../datavectors.h"