diff --git a/plugins/designer/designer.pro b/plugins/designer/designer.pro
index 071eee8..1467794 100644
--- a/plugins/designer/designer.pro
+++ b/plugins/designer/designer.pro
@@ -4,10 +4,14 @@
 
 TARGET=qtcommercialchartdesigner
 DESTDIR = $$CHART_BUILD_DESIGNER_PLUGIN_DIR
-CONFIG += designer
+greaterThan(QT_MAJOR_VERSION, 4) {
+    QT += designer
+} else {
+    CONFIG += designer
+}
 HEADERS = qchartsplugin.h
 SOURCES = qchartsplugin.cpp
 RESOURCES = qchartsplugin.qrc
 
 target.path = $$[QT_INSTALL_PLUGINS]/designer
-INSTALLS += target
\ No newline at end of file
+INSTALLS += target
diff --git a/tests/auto/auto.pri b/tests/auto/auto.pri
index 71d26a6..424c8cd 100644
--- a/tests/auto/auto.pri
+++ b/tests/auto/auto.pri
@@ -2,7 +2,11 @@
     error( "Couldn't find the tests.pri file!" )
 }
 
-CONFIG  += qtestlib
+greaterThan(QT_MAJOR_VERSION, 4) {
+    QT += testlib
+} else {
+    CONFIG  += qtestlib
+}
 !contains(TARGET, ^tst_.*):TARGET = $$join(TARGET,,"tst_")
 
 INCLUDEPATH += ../inc