diff --git a/src/main.cpp b/src/main.cpp
index fa402338a..34d939431 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -5150,8 +5150,8 @@ void static CheckBlockIndex()
         if ( it->second != 0 )
             forward.insert(std::make_pair(it->second->pprev, it->second));
     }
-    
-    assert(forward.size() == mapBlockIndex.size());
+    if ( Params().NetworkIDString() != "regtest" )
+        assert(forward.size() == mapBlockIndex.size());
     
     std::pair<std::multimap<CBlockIndex*,CBlockIndex*>::iterator,std::multimap<CBlockIndex*,CBlockIndex*>::iterator> rangeGenesis = forward.equal_range(NULL);
     CBlockIndex *pindex = rangeGenesis.first->second;