diff --git a/iguana/exchanges/LP_nativeDEX.c b/iguana/exchanges/LP_nativeDEX.c
index a03d9f858..8e0a3c045 100644
--- a/iguana/exchanges/LP_nativeDEX.c
+++ b/iguana/exchanges/LP_nativeDEX.c
@@ -543,24 +543,27 @@ void LP_coinsloop(void *_coins)
                 {
                     DL_FOREACH_SAFE(ap->utxos,up,tmp)
                     {
-                        if ( up->SPV == 0 )
+                        if ( up->U.height > 0 && up->spendheight < 0 )
                         {
-                            nonz++;
-                            up->SPV = LP_merkleproof(coin,backupep,up->U.txid,up->U.height);
-                            if ( up->SPV > 0 )
-                                printf("%s %s: SPV.%d\n",coin->symbol,bits256_str(str,up->U.txid),up->SPV);
-                        }
-                        else if ( up->SPV == -1 )
-                        {
-                            nonz++;
-                            printf("SPV failure for %s %s\n",coin->symbol,bits256_str(str,up->U.txid));
-                            oldht = up->U.height;
-                            LP_txheight_check(coin,ap->coinaddr,up);
-                            if ( oldht != up->U.height )
+                            if ( up->SPV == 0 )
+                            {
+                                nonz++;
                                 up->SPV = LP_merkleproof(coin,backupep,up->U.txid,up->U.height);
-                            if ( up->SPV <= 0 )
-                                up->SPV = -2;
-                            else printf("%s %s: corrected SPV.%d\n",coin->symbol,bits256_str(str,up->U.txid),up->SPV);
+                                if ( up->SPV > 0 )
+                                    printf("%s %s: SPV.%d\n",coin->symbol,bits256_str(str,up->U.txid),up->SPV);
+                            }
+                            else if ( up->SPV == -1 )
+                            {
+                                nonz++;
+                                printf("SPV failure for %s %s\n",coin->symbol,bits256_str(str,up->U.txid));
+                                oldht = up->U.height;
+                                LP_txheight_check(coin,ap->coinaddr,up);
+                                if ( oldht != up->U.height )
+                                    up->SPV = LP_merkleproof(coin,backupep,up->U.txid,up->U.height);
+                                if ( up->SPV <= 0 )
+                                    up->SPV = -2;
+                                else printf("%s %s: corrected SPV.%d\n",coin->symbol,bits256_str(str,up->U.txid),up->SPV);
+                            }
                         }
                     }
                 }