1 files changed, 1 insertions, 1 deletions
diff --git a/control-center b/control-center
index c805d2bc..7b3d2178 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 and $exp_frame->hide; 
+	   defined $exp_frame and $exp_frame->hide; 
     } else { update_exp }
     $notebook_global->set_page($index);
 }