diff --git a/src/CurveCreator/CurveCreator_Widget.cxx b/src/CurveCreator/CurveCreator_Widget.cxx
index b741dca4d..32950c120 100644
--- a/src/CurveCreator/CurveCreator_Widget.cxx
+++ b/src/CurveCreator/CurveCreator_Widget.cxx
@@ -246,7 +246,7 @@ void CurveCreator_Widget::onSelectionChanged()
         anEnabledAct << UP_ID;
       }
       if( aSelSections.size() == 1 ){
-        anEnabledAct << CREATION_MODE_ID << EDITION_MODE_ID;
+        anEnabledAct << CREATION_MODE_ID << EDITION_MODE_ID << DETECTION_MODE_ID;
       }
       if( aSelSections[ aSelSections.size() - 1 ] < ( myCurve->getNbSections() - 1 ) ){
         anEnabledAct << DOWN_ID;
@@ -361,16 +361,22 @@ void CurveCreator_Widget::onModeChanged(bool checked)
   QAction* anAction = (QAction*)sender();
   switch(myActionMap.key(anAction)) {
     case CREATION_MODE_ID:
-      myActionMap[EDITION_MODE_ID]->setChecked(false);
-      myActionMap[DETECTION_MODE_ID]->setChecked(false);
+      if (myActionMap[EDITION_MODE_ID]->isChecked())
+        myActionMap[EDITION_MODE_ID]->trigger();
+      else if (myActionMap[DETECTION_MODE_ID]->isChecked())
+        myActionMap[DETECTION_MODE_ID]->trigger();
       break;
     case EDITION_MODE_ID:
-      myActionMap[CREATION_MODE_ID]->setChecked(false);
-      myActionMap[DETECTION_MODE_ID]->setChecked(false);
+      if (myActionMap[CREATION_MODE_ID]->isChecked())
+        myActionMap[CREATION_MODE_ID]->trigger();
+      else if (myActionMap[DETECTION_MODE_ID]->isChecked())
+        myActionMap[DETECTION_MODE_ID]->trigger();
       break;
     case DETECTION_MODE_ID:
-      myActionMap[CREATION_MODE_ID]->setChecked(false);
-      myActionMap[EDITION_MODE_ID]->setChecked(false);
+      if (myActionMap[CREATION_MODE_ID]->isChecked())
+        myActionMap[CREATION_MODE_ID]->trigger();
+      else if (myActionMap[EDITION_MODE_ID]->isChecked())
+        myActionMap[EDITION_MODE_ID]->trigger();
       break;
   }
 }
diff --git a/src/GEOMGUI/GEOM_msg_en.ts b/src/GEOMGUI/GEOM_msg_en.ts
index 7fcf0a08e..76d3c2e74 100644
--- a/src/GEOMGUI/GEOM_msg_en.ts
+++ b/src/GEOMGUI/GEOM_msg_en.ts
@@ -5335,6 +5335,14 @@ Ignoring units will cause model scaling (as dimensions are supposed to be specif
         <source>EDITION_MODE_TLT</source>
         <translation>Edition mode</translation>
     </message>
+    <message>
+        <source>DETECTION_MODE</source>
+        <translation>Detection mode</translation>
+    </message>
+    <message>
+        <source>DETECTION_MODE_TLT</source>
+        <translation>Detection mode</translation>
+    </message>
     <message>
         <source>INSERT_POINT_BEFORE</source>
         <translation>Insert point before</translation>