diff --git a/GUI/Support/Style/GroupBoxCollapser.cpp b/GUI/Support/Style/GroupBoxCollapser.cpp
index 0aa4da96fcbf4b5ece437f21e7cbb9d56a242da8..31ccfb0f7e5e6d55895048a4d6b2adb4eb7e3ab9 100644
--- a/GUI/Support/Style/GroupBoxCollapser.cpp
+++ b/GUI/Support/Style/GroupBoxCollapser.cpp
@@ -109,7 +109,7 @@ GroupBoxCollapser::GroupBoxCollapser(QGroupBox* groupBox)
     m_titleLayout->addWidget(m_toggleButton);
 
     m_titleWidget = new QWidget(groupBox);
-    m_titleWidget->setObjectName("GroupBoxTogglerTitleWidget");
+    m_titleWidget->setObjectName("GroupBoxTitleWidget");
     m_titleWidget->setAttribute(Qt::WA_StyledBackground, true);
     m_titleWidget->setLayout(m_titleLayout);
 
diff --git a/GUI/styles/Base.stylesheet b/GUI/styles/Base.stylesheet
index 85ba6538847c5d1dae9646aa742681e4ec552c9d..8968055b3a18ff35410577bb1b874f7916f45b35 100644
--- a/GUI/styles/Base.stylesheet
+++ b/GUI/styles/Base.stylesheet
@@ -14,7 +14,7 @@ QCheckBox::focus, QRadioButton::focus{border: 0px solid transparent;}
 
 /* Exception: transparent background for box model, in particular for LayerForm children. */
 QRadioButton, QCheckBox, QLabel,
-QWidget#ContentArea, QWidget#GroupBoxTogglerTitleWidget, QWidget#GroupBoxToggler,
+QWidget#ContentArea, QWidget#GroupBoxTitleWidget, QWidget#GroupBoxToggler,
 QWidget#ContentArea .QWidget, QScrollArea .QWidget,QTreeView::item .QWidget,QListView::item .QWidget
 { background-color: transparent;}
 
@@ -421,10 +421,10 @@ QToolButton#ViewSelectionButton:disabled
 }
 
 
-QWidget#GroupBoxTogglerTitleWidget,QWidget#GroupBoxToggler{
+QWidget#GroupBoxTitleWidget,QWidget#GroupBoxToggler{
     background-color: rgba(100,100,100,10%);
     border-radius: 3px;
 }
-QWidget#GroupBoxTogglerTitleWidget:hover{
+QWidget#GroupBoxTitleWidget:hover{
     background-color: rgba(100,100,100,25%);
 }