diff --git a/src/widgets/widgets/qgroupbox.cpp b/src/widgets/widgets/qgroupbox.cpp
index 56204188e8..c850021bdd 100644
--- a/src/widgets/widgets/qgroupbox.cpp
+++ b/src/widgets/widgets/qgroupbox.cpp
@@ -734,6 +734,10 @@ void QGroupBox::mouseReleaseEvent(QMouseEvent *event)
     }
 
     Q_D(QGroupBox);
+    if (!d->overCheckBox) {
+        event->ignore();
+        return;
+    }
     QStyleOptionGroupBox box;
     initStyleOption(&box);
     QStyle::SubControl released = style()->hitTestComplexControl(QStyle::CC_GroupBox, &box,
diff --git a/tests/auto/widgets/widgets/qgroupbox/tst_qgroupbox.cpp b/tests/auto/widgets/widgets/qgroupbox/tst_qgroupbox.cpp
index 8568ef01d1..21360d8899 100644
--- a/tests/auto/widgets/widgets/qgroupbox/tst_qgroupbox.cpp
+++ b/tests/auto/widgets/widgets/qgroupbox/tst_qgroupbox.cpp
@@ -81,6 +81,7 @@ private slots:
     void toggledVsClicked();
     void childrenAreDisabled();
     void propagateFocus();
+    void task_QTBUG_19170_ignoreMouseReleseEvent();
 
 private:
     bool checked;
@@ -471,5 +472,27 @@ void tst_QGroupBox::propagateFocus()
     QTRY_COMPARE(qApp->focusWidget(), static_cast<QWidget*>(&lineEdit));
 }
 
+void tst_QGroupBox::task_QTBUG_19170_ignoreMouseReleseEvent()
+{
+    QGroupBox box;
+    box.setCheckable(true);
+    box.setChecked(false);
+    box.setTitle("This is a test for QTBUG-19170");
+    box.show();
+
+    QStyleOptionGroupBox option;
+    option.initFrom(&box);
+    option.subControls = QStyle::SubControls(QStyle::SC_All);
+    QRect rect = box.style()->subControlRect(QStyle::CC_GroupBox, &option,
+                                             QStyle::SC_GroupBoxCheckBox, &box);
+
+    QTest::mouseClick(&box, Qt::LeftButton, 0, rect.center());
+    QCOMPARE(box.isChecked(), true);
+
+    box.setChecked(false);
+    QTest::mouseRelease(&box, Qt::LeftButton, 0, rect.center());
+    QCOMPARE(box.isChecked(), false);
+}
+
 QTEST_MAIN(tst_QGroupBox)
 #include "tst_qgroupbox.moc"