diff --git a/channels/chan_zap.c b/channels/chan_zap.c
index b8425eb590..6d271886ca 100755
--- a/channels/chan_zap.c
+++ b/channels/chan_zap.c
@@ -1951,7 +1951,7 @@ static int zt_call(struct ast_channel *ast, char *rdest, int timeout)
 				pridialplan = PRI_LOCAL_ISDN;
  			}
  		}
- 		pri_sr_set_called(sr, c + p->stripmsd + dp_strip, pridialplan,  (s && *s) ? 1 : 0);
+ 		pri_sr_set_called(sr, c + p->stripmsd + dp_strip, pridialplan,  (s && *s) ? 0 : 1);
 
 		ldp_strip = 0;
 		prilocaldialplan = p->pri->localdialplan - 1;