diff --git a/src/init.cpp b/src/init.cpp
index 5dc9ee6e56..f0021ca7a6 100644
--- a/src/init.cpp
+++ b/src/init.cpp
@@ -513,6 +513,7 @@ std::string HelpMessage(HelpMessageMode mode)
     if (showDebug) {
         strUsage += HelpMessageOpt("-fedpegscript=<hex>", _("Change federated peg to use a different script.") +
             " " + _("This creates a new chain with a different genesis block."));
+        strUsage += HelpMessageOpt("-peginconfirmationdepth", strprintf(_("Pegin claims must be this deep to be considered valid. (default: %d)"), DEFAULT_PEGIN_CONFIRMATION_DEPTH));
     }
     strUsage += HelpMessageOpt("-validatepegin", strprintf(_("Validate pegin claims. All functionaries must run this. (default: %u)"), DEFAULT_VALIDATE_PEGIN));
 
diff --git a/src/script/interpreter.cpp b/src/script/interpreter.cpp
index acf3f86fc1..d63e8285d9 100644
--- a/src/script/interpreter.cpp
+++ b/src/script/interpreter.cpp
@@ -1580,7 +1580,7 @@ bool EvalScript(vector<vector<unsigned char> >& stack, const CScript& script, un
                                     return set_error(serror, SCRIPT_ERR_WITHDRAW_VERIFY_OUTPUT_SCRIPT);
 
 #ifndef BITCOIN_SCRIPT_NO_CALLRPC
-                                if (GetBoolArg("-validatepegin", DEFAULT_VALIDATE_PEGIN) && !checker.IsConfirmedBitcoinBlock(genesishash, merkleBlock.header.GetHash(), flags & SCRIPT_VERIFY_INCREASE_CONFIRMATIONS_REQUIRED))
+                                if (GetBoolArg("-validatepegin", DEFAULT_VALIDATE_PEGIN) && !checker.IsConfirmedBitcoinBlock(genesishash, merkleBlock.header.GetHash(), flags & SCRIPT_VERIFY_INCREASE_CONFIRMATIONS_REQUIRED, GetArg("-peginconfirmationdepth", DEFAULT_PEGIN_CONFIRMATION_DEPTH)))
                                     return set_error(serror, SCRIPT_ERR_WITHDRAW_VERIFY_BLOCKCONFIRMED);
 #endif
                             } catch (std::exception& e) {
@@ -1975,10 +1975,10 @@ CConfidentialValue TransactionSignatureChecker::GetValueInPrevIn() const
     return amountPreviousInput;
 }
 
-bool TransactionSignatureChecker::IsConfirmedBitcoinBlock(const uint256& genesishash, const uint256& hash, bool fConservativeConfirmationRequirements) const
+bool TransactionSignatureChecker::IsConfirmedBitcoinBlock(const uint256& genesishash, const uint256& hash, bool fConservativeConfirmationRequirements, uint32_t nConfirmationsRequired) const
 {
 #ifndef BITCOIN_SCRIPT_NO_CALLRPC
-    return ::IsConfirmedBitcoinBlock(genesishash, hash, fConservativeConfirmationRequirements ? 10 : 8);
+    return ::IsConfirmedBitcoinBlock(genesishash, hash, nConfirmationsRequired + (fConservativeConfirmationRequirements ? 2 : 0));
 #else
     return true;
 #endif
diff --git a/src/script/interpreter.h b/src/script/interpreter.h
index 389c940eee..308041866a 100644
--- a/src/script/interpreter.h
+++ b/src/script/interpreter.h
@@ -171,7 +171,7 @@ public:
         return -1;
     }
 
-    virtual bool IsConfirmedBitcoinBlock(const uint256& genesishash, const uint256& hash, bool fConservativeConfirmationRequirements) const
+    virtual bool IsConfirmedBitcoinBlock(const uint256& genesishash, const uint256& hash, bool fConservativeConfirmationRequirements, uint32_t nConfirmationsRequired) const
     {
         return false;
     }
@@ -219,7 +219,7 @@ public:
     COutPoint GetPrevOut() const;
     CConfidentialValue GetValueIn() const;
     CConfidentialValue GetValueInPrevIn() const;
-    bool IsConfirmedBitcoinBlock(const uint256& genesishash, const uint256& hash, bool fConservativeConfirmationRequirements) const;
+    bool IsConfirmedBitcoinBlock(const uint256& genesishash, const uint256& hash, bool fConservativeConfirmationRequirements, uint32_t nConfirmationsRequired) const;
     virtual CScript GetFedpegScript() const
     {
         return fedpegScript;
diff --git a/src/script/script.h b/src/script/script.h
index dea83e8d7e..6eb21b826e 100644
--- a/src/script/script.h
+++ b/src/script/script.h
@@ -31,6 +31,9 @@ static const int MAX_PUBKEYS_PER_MULTISIG = 20;
 // mainchain.
 static const bool DEFAULT_VALIDATE_PEGIN = false;
 
+// Number of confirms on parent chain required to confirm on sidechain
+static const unsigned int DEFAULT_PEGIN_CONFIRMATION_DEPTH = 8;
+
 // Maximum script length in bytes
 static const int MAX_SCRIPT_SIZE = 10000;
 class uint256;