diff --git a/src/Mod/Fem/Gui/TaskFemConstraintPressure.cpp b/src/Mod/Fem/Gui/TaskFemConstraintPressure.cpp
index edbc82d72..2da2b11cb 100644
--- a/src/Mod/Fem/Gui/TaskFemConstraintPressure.cpp
+++ b/src/Mod/Fem/Gui/TaskFemConstraintPressure.cpp
@@ -72,6 +72,9 @@ TaskFemConstraintPressure::TaskFemConstraintPressure(ViewProviderFemConstraintPr
     connect(ui->lw_references, SIGNAL(currentItemChanged(QListWidgetItem*,QListWidgetItem*)),
         this, SLOT(setSelection(QListWidgetItem*)));
 
+    connect(ui->checkBoxReverse, SIGNAL(toggled(bool)),
+        this, SLOT(onCheckReverse(bool)));
+
     this->groupLayout()->addWidget(proxy);
 
 /* Note: */
@@ -119,6 +122,12 @@ void TaskFemConstraintPressure::updateUI()
     }
 }
 
+void TaskFemConstraintPressure::onCheckReverse(const bool pressed)
+{
+    Fem::ConstraintPressure* pcConstraint = static_cast<Fem::ConstraintPressure*>(ConstraintView->getObject());
+    pcConstraint->Reversed.setValue(pressed);
+ }
+
 void TaskFemConstraintPressure::addToSelection()
 {
     std::vector<Gui::SelectionObject> selection = Gui::Selection().getSelectionEx(); //gets vector of selected objects of active document
diff --git a/src/Mod/Fem/Gui/TaskFemConstraintPressure.h b/src/Mod/Fem/Gui/TaskFemConstraintPressure.h
index 6d21d31ec..085615450 100644
--- a/src/Mod/Fem/Gui/TaskFemConstraintPressure.h
+++ b/src/Mod/Fem/Gui/TaskFemConstraintPressure.h
@@ -57,6 +57,7 @@ public:
 private Q_SLOTS:
     void onReferenceDeleted(void);
 
+    void onCheckReverse(bool);
     void addToSelection();
     void removeFromSelection();
     void setSelection(QListWidgetItem* item);