X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fui%2Fgui%2Fcompute-dialog.c;h=9eafc2c2b84e3be47dab73660a088fbc9c4e17e7;hb=f606d3c31ea117f7b9cb187f3521c7051a8db2ba;hp=3e8677ba48fd95863555e9bb84de59ef30b7146f;hpb=6882ff1359de0c4812a62e1bfcdfbf8e68474de5;p=pspp

diff --git a/src/ui/gui/compute-dialog.c b/src/ui/gui/compute-dialog.c
index 3e8677ba48..9eafc2c2b8 100644
--- a/src/ui/gui/compute-dialog.c
+++ b/src/ui/gui/compute-dialog.c
@@ -325,10 +325,15 @@ on_expression_toggle (GtkToggleButton *button, gpointer data)
 	(GTK_ENTRY (get_widget_assert (cd->xml, "compute-entry1")));
 
       target_var = psppire_dict_lookup_var (cd->dict, target_name);
-      label = var_get_label (target_var);
+      if ( target_var )
+	{
+	  label = var_get_label (target_var);
 
-      if ( label )
-	gtk_entry_set_text (GTK_ENTRY (entry), label);
+	  if ( label )
+	    gtk_entry_set_text (GTK_ENTRY (entry), label);
+	}
+      else
+	gtk_entry_set_text (GTK_ENTRY (entry), "");
 
       gtk_widget_set_sensitive (entry, TRUE);
     }