diff --git a/core/src/main/java/com/google/bitcoin/core/AbstractBlockChain.java b/core/src/main/java/com/google/bitcoin/core/AbstractBlockChain.java
index 6600b188c..184531441 100644
--- a/core/src/main/java/com/google/bitcoin/core/AbstractBlockChain.java
+++ b/core/src/main/java/com/google/bitcoin/core/AbstractBlockChain.java
@@ -225,9 +225,12 @@ public abstract class AbstractBlockChain {
         }
         // Quick check for duplicates to avoid an expensive check further down (in findSplit). This can happen a lot
         // when connecting orphan transactions due to the dumb brute force algorithm we use.
-        if (block.equals(getChainHead().getHeader()) || (tryConnecting && orphanBlocks.containsKey(block.getHash()))) {
+        if (block.equals(getChainHead().getHeader())) {
             return true;
         }
+        if (tryConnecting && orphanBlocks.containsKey(block.getHash())) {
+            return false;
+        }
         
         // If we want to verify transactions (ie we are running with full blocks), verify that block has transactions
         if (shouldVerifyTransactions() && block.transactions == null)