--- rxvt-unicode/src/rxvtperl.xs	2016/07/14 05:33:26	1.238
+++ rxvt-unicode/src/rxvtperl.xs	2017/06/22 23:46:38	1.240
@@ -293,7 +293,7 @@
   for (; i < AvFILL (overlay_av); i++)
     av_store (overlay_av, i, SvREFCNT_inc (*av_fetch (overlay_av, i + 1, 0)));
 
-  av_pop (overlay_av);
+  SvREFCNT_dec (av_pop (overlay_av));
 
   SvREFCNT_dec (overlay_av);
   overlay_av = 0;
@@ -1431,6 +1431,8 @@
             case 3: RETVAL = THIS->current_screen; break;
 #ifdef CURSOR_BLINK
             case 4: RETVAL = THIS->hidden_cursor;  break;
+#else
+            case 4: RETVAL = 0;                    break;
 #endif
           }
         OUTPUT: