diff --git a/acinclude.m4 b/acinclude.m4
index 4dd6d40..7e75fe1 100644
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -1141,7 +1141,7 @@ fi
 if test "$kde_qtver" = "3"; then
 cat >> conftest.$ac_ext <<EOF
     (void)QStyleFactory::create(TQString::null);
-    QCursor c(Qt::WhatsThisCursor);
+    QCursor c(TQt::WhatsThisCursor);
 EOF
 fi
 cat >> conftest.$ac_ext <<EOF