diff --git a/iguana/iguana_notary.c b/iguana/iguana_notary.c
index 10744b6b5..aba869865 100755
--- a/iguana/iguana_notary.c
+++ b/iguana/iguana_notary.c
@@ -318,12 +318,12 @@ void iguana_dPoWupdate(struct supernet_info *myinfo,struct dpow_info *dp)
                     dpow_srcupdate(myinfo,dp,dp->lastheight++,blockhash,(uint32_t)time(NULL),blocktime);
                 }
             }
-            else if ( time(NULL) > dp->lastsrcupdate+60 )
+            else if ( time(NULL) > dp->lastsrcupdate+60 || height != dp->lastheight )
             {
+                dp->lastsrcupdate = (uint32_t)time(NULL);
                 dp->lastheight = height;
                 blockhash = dpow_getblockhash(myinfo,src,dp->lastheight);
                 dpow_srcupdate(myinfo,dp,dp->lastheight,blockhash,(uint32_t)time(NULL),blocktime);
-                dp->lastsrcupdate = (uint32_t)time(NULL);
             }
         } //else printf("error getchaintip for %s\n",dp->symbol);
     } else printf("iguana_dPoWupdate missing src.(%s) %p or dest.(%s) %p\n",dp->symbol,src,dp->dest,dest);