diff --git a/htroot/IndexCreate_p.java b/htroot/IndexCreate_p.java
index 2ad4616bb..921ac3d5e 100644
--- a/htroot/IndexCreate_p.java
+++ b/htroot/IndexCreate_p.java
@@ -201,7 +201,7 @@ public class IndexCreate_p {
 
         
         // remote crawl peers
-        if (yacyCore.seedDB != null) {
+        if ((yacyCore.seedDB == null) || (yacyCore.seedDB.mySeed.isVirgin()) || (yacyCore.seedDB.mySeed.isJunior())) {
             prop.put("remoteCrawlPeers", 0);
         } else {
             Enumeration crawlavail = yacyCore.dhtAgent.getAcceptRemoteCrawlSeeds(plasmaURL.dummyHash, true);
diff --git a/source/de/anomic/yacy/yacyDHTAction.java b/source/de/anomic/yacy/yacyDHTAction.java
index b0d7ddd43..5ff3d38da 100644
--- a/source/de/anomic/yacy/yacyDHTAction.java
+++ b/source/de/anomic/yacy/yacyDHTAction.java
@@ -290,6 +290,11 @@ public class yacyDHTAction implements yacyPeerAction {
     
     public synchronized ArrayList /* of yacySeed */ getDHTTargets(serverLog log, int primaryPeerCount, int reservePeerCount, String firstKey, String lastKey, double maxDist) {
         // find a list of DHT-peers
+        assert firstKey != null;
+        assert lastKey != null;
+        assert yacyCore.seedDB != null;
+        assert yacyCore.seedDB.mySeed != null;
+        assert yacyCore.seedDB.mySeed.hash != null;
         assert
             !(kelondroBase64Order.enhancedCoder.cardinal(firstKey.getBytes()) < kelondroBase64Order.enhancedCoder.cardinal(yacyCore.seedDB.mySeed.hash.getBytes()) &&
               kelondroBase64Order.enhancedCoder.cardinal(lastKey.getBytes()) > kelondroBase64Order.enhancedCoder.cardinal(yacyCore.seedDB.mySeed.hash.getBytes()));