diff --git a/src/main.cpp b/src/main.cpp
index bfc6d79a10..97c975cbef 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -2868,11 +2868,8 @@ bool ConnectBlock(const CBlock& block, CValidationState& state, CBlockIndex* pin
         }
     }
 
-    // BIP16 didn't become active until Apr 1 2012
-    int64_t nBIP16SwitchTime = 1333238400;
-    bool fStrictPayToScriptHash = (pindex->GetBlockTime() >= nBIP16SwitchTime);
-
-    unsigned int flags = fStrictPayToScriptHash ? SCRIPT_VERIFY_P2SH : SCRIPT_VERIFY_NONE;
+    //P2SH is a requirement for segwit + CT
+    unsigned int flags = SCRIPT_VERIFY_P2SH;
 
     // Start enforcing the DERSIG (BIP66) rules, for block.nVersion=3 blocks,
     // when 75% of the network has upgraded: