diff --git a/src/AIS/AIS_InteractiveContext.cxx b/src/AIS/AIS_InteractiveContext.cxx
index 40a2e9e726..ad0c151e75 100755
--- a/src/AIS/AIS_InteractiveContext.cxx
+++ b/src/AIS/AIS_InteractiveContext.cxx
@@ -236,7 +236,7 @@ void AIS_InteractiveContext::UpdateCurrentViewer()
 
 void AIS_InteractiveContext::OpenCollector()
 {
-  myIsCollClosed =Standard_True;
+  myIsCollClosed = Standard_False;
   // to be completed....
 }