avoid crash when clicking on the top pixmap when no log window

1 files changed, 1 insertions, 1 deletions

diff --git a/control-center b/control-center
index b687d75c..c805d2bc 100755
--- a/control-center
+++ b/control-center
@@ -850,7 +850,7 @@ sub set_page {
     my ($index) = @_;
     if ($index == 0) {
 	   $still_in_splash_screen = 1;
-	   $exp_frame->hide; 
+	   $exp_frame and $exp_frame->hide; 
     } else { update_exp }
     $notebook_global->set_page($index);
 }