X-Git-Url: https://git.cinelerra-gg.org/git/?p=goodguy%2Fcinelerra.git;a=blobdiff_plain;f=cinelerra-5.1%2Fcinelerra%2Fcwindowgui.C;h=3a6c2db8e9f96de906a5216f45ee8704821b4313;hp=7cb5a1007d5bde2bdd77632f505f22e1f43eab0d;hb=e1e5dee5935f9f416a31014906a7e0dfacb10c02;hpb=e7751964a70df32d5e34ad4052db892b1e1ff0e0

diff --git a/cinelerra-5.1/cinelerra/cwindowgui.C b/cinelerra-5.1/cinelerra/cwindowgui.C
index 7cb5a100..3a6c2db8 100644
--- a/cinelerra-5.1/cinelerra/cwindowgui.C
+++ b/cinelerra-5.1/cinelerra/cwindowgui.C
@@ -1100,7 +1100,7 @@ int CWindowCanvas::scope_on()
 
 void CWindowCanvas::draw_scope(VFrame *output)
 {
-	if( gui->edit_panel->scope_dialog )
+	if( gui->edit_panel->scope_dialog && output )
 		gui->edit_panel->scope_dialog->process(output);
 }