diff --git a/src/ce_main.pas b/src/ce_main.pas
index dfd72dc9..746f427f 100644
--- a/src/ce_main.pas
+++ b/src/ce_main.pas
@@ -3801,6 +3801,8 @@ begin
       exit;
   fProjectGroup.closeGroup;
   fProjectGroup.openGroup(TMenuItem(Sender).Hint);
+  if (fProject = nil) and (fProjectGroup.getProjectIndex < fProjectGroup.projectCount) then
+    fProjectGroup.getProject(fProjectGroup.getProjectIndex).activate();
 end;
 
 procedure TCEMainForm.actProjCloseExecute(Sender: TObject);
@@ -3970,6 +3972,8 @@ begin
   finally
     free;
   end;
+  if (fProject = nil) and (fProjectGroup.getProjectIndex < fProjectGroup.projectCount) then
+    fProjectGroup.getProject(fProjectGroup.getProjectIndex).activate();
 end;
 
 procedure TCEMainForm.actProjSaveGroupAsExecute(Sender: TObject);
diff --git a/src/ce_symstring.pas b/src/ce_symstring.pas
index ea13d341..58c00af3 100644
--- a/src/ce_symstring.pas
+++ b/src/ce_symstring.pas
@@ -103,10 +103,10 @@ end;
 
 procedure TCESymbolExpander.projClosing(project: ICECommonProject);
 begin
-  fProjInterface := nil;
-  if fProj <> project.getProject then
-    exit;
-  fProj := nil;
+  if fProjInterface = project then
+    fProjInterface := nil;
+  if fProj = project.getProject then
+    fProj := nil;
   fNeedUpdate := true;
 end;
 
@@ -178,6 +178,7 @@ var
 const
   na = '``';
 begin
+  //commented : mini explorer doesn't emitt notif,
   //if not fNeedUpdate then
   //  exit;
   fNeedUpdate := false;