diff --git a/src/validation.h b/src/validation.h
index 9135a1d05a..a12d33b9be 100644
--- a/src/validation.h
+++ b/src/validation.h
@@ -314,12 +314,12 @@ private:
     unsigned int nIn;
     unsigned int nFlags;
     bool cacheStore;
-    ScriptError error;
+    ScriptError error{SCRIPT_ERR_UNKNOWN_ERROR};
     PrecomputedTransactionData *txdata;
 
 public:
     CScriptCheck(const CTxOut& outIn, const CTransaction& txToIn, unsigned int nInIn, unsigned int nFlagsIn, bool cacheIn, PrecomputedTransactionData* txdataIn) :
-        m_tx_out(outIn), ptxTo(&txToIn), nIn(nInIn), nFlags(nFlagsIn), cacheStore(cacheIn), error(SCRIPT_ERR_UNKNOWN_ERROR), txdata(txdataIn) { }
+        m_tx_out(outIn), ptxTo(&txToIn), nIn(nInIn), nFlags(nFlagsIn), cacheStore(cacheIn), txdata(txdataIn) { }
 
     CScriptCheck(const CScriptCheck&) = delete;
     CScriptCheck& operator=(const CScriptCheck&) = delete;