2 files changed, 6 insertions, 1 deletions
diff --git a/examples/datavisualization/customproxy/customproxy.pro b/examples/datavisualization/customproxy/customproxy.pro
index 454c81e9..fd5e0852 100644
--- a/examples/datavisualization/customproxy/customproxy.pro
+++ b/examples/datavisualization/customproxy/customproxy.pro
@@ -23,4 +23,3 @@ RESOURCES += customproxy.qrc
 OTHER_FILES += doc/src/* \
                doc/images/* \
                data/raindata.txt
-
diff --git a/examples/datavisualization/customproxy/main.cpp b/examples/datavisualization/customproxy/main.cpp
index 9c5373e4..b9118668 100644
--- a/examples/datavisualization/customproxy/main.cpp
+++ b/examples/datavisualization/customproxy/main.cpp
@@ -29,6 +29,12 @@ int main(int argc, char **argv)
     QGuiApplication app(argc, argv);
 
     Q3DBars *rainfall = new Q3DBars;
+
+    if (!rainfall->hasContext()) {
+        qWarning() << QStringLiteral("Couldn't initialize the OpenGL context.") ;
+        return -1;
+    }
+
     rainfall->setFlags(rainfall->flags() ^ Qt::FramelessWindowHint);
     rainfall->resize(1000, 800);
     rainfall->setPosition(QPoint(10, 30));