diff --git a/src/komodo_gateway.h b/src/komodo_gateway.h
index 7e1ede5d5..401199837 100644
--- a/src/komodo_gateway.h
+++ b/src/komodo_gateway.h
@@ -1697,7 +1697,7 @@ CScript komodo_mineropret(int32_t nHeight)
 
 int32_t komodo_opretvalidate(const CBlock *block,CBlockIndex * const previndex,int32_t nHeight,CScript scriptPubKey)
 {
-    int32_t testchain_exemption = 350;
+    int32_t testchain_exemption = 500;
     std::vector<uint8_t> vopret; char maxflags[2048]; double btcusd,btcgbp,btceur; uint32_t localbits[2048],pricebits[2048],prevbits[2048],newprice; int32_t i,prevtime,maxflag,lag,lag2,lag3,n; uint32_t now = (uint32_t)time(NULL);
     if ( ASSETCHAINS_CBOPRET != 0 && nHeight > 0 )
     {