diff --git a/src/script/standard.h b/src/script/standard.h
index 3b2838a5b..4922b7236 100644
--- a/src/script/standard.h
+++ b/src/script/standard.h
@@ -23,7 +23,7 @@ class CScriptID : public uint160
 {
 public:
     CScriptID() : uint160() {}
-    CScriptID(const CScript& in);
+    explicit CScriptID(const CScript& in);
     CScriptID(const uint160& in) : uint160(in) {}
 };
 
diff --git a/src/wallet/rpcdump.cpp b/src/wallet/rpcdump.cpp
index b8533839a..b3a59e4b2 100644
--- a/src/wallet/rpcdump.cpp
+++ b/src/wallet/rpcdump.cpp
@@ -224,10 +224,11 @@ void ImportScript(CWallet* const pwallet, const CScript& script, const std::stri
     }
 
     if (isRedeemScript) {
-        if (!pwallet->HaveCScript(script) && !pwallet->AddCScript(script)) {
+        const CScriptID id(script);
+        if (!pwallet->HaveCScript(id) && !pwallet->AddCScript(script)) {
             throw JSONRPCError(RPC_WALLET_ERROR, "Error adding p2sh redeemScript to wallet");
         }
-        ImportAddress(pwallet, CScriptID(script), strLabel);
+        ImportAddress(pwallet, id, strLabel);
     } else {
         CTxDestination destination;
         if (ExtractDestination(script, destination)) {
@@ -602,7 +603,8 @@ UniValue importwallet(const JSONRPCRequest& request)
             } else if(IsHex(vstr[0])) {
                std::vector<unsigned char> vData(ParseHex(vstr[0]));
                CScript script = CScript(vData.begin(), vData.end());
-               if (pwallet->HaveCScript(script)) {
+               CScriptID id(script);
+               if (pwallet->HaveCScript(id)) {
                    LogPrintf("Skipping import of %s (script already present)\n", vstr[0]);
                    continue;
                }
@@ -613,7 +615,7 @@ UniValue importwallet(const JSONRPCRequest& request)
                }
                int64_t birth_time = DecodeDumpTime(vstr[1]);
                if (birth_time > 0) {
-                   pwallet->m_script_metadata[CScriptID(script)].nCreateTime = birth_time;
+                   pwallet->m_script_metadata[id].nCreateTime = birth_time;
                    nTimeBegin = std::min(nTimeBegin, birth_time);
                }
             }
@@ -899,12 +901,12 @@ UniValue ProcessImport(CWallet * const pwallet, const UniValue& data, const int6
                 throw JSONRPCError(RPC_WALLET_ERROR, "Error adding address to wallet");
             }
 
-            if (!pwallet->HaveCScript(redeemScript) && !pwallet->AddCScript(redeemScript)) {
+            CScriptID redeem_id(redeemScript);
+            if (!pwallet->HaveCScript(redeem_id) && !pwallet->AddCScript(redeemScript)) {
                 throw JSONRPCError(RPC_WALLET_ERROR, "Error adding p2sh redeemScript to wallet");
             }
 
-            CTxDestination redeem_dest = CScriptID(redeemScript);
-            CScript redeemDestination = GetScriptForDestination(redeem_dest);
+            CScript redeemDestination = GetScriptForDestination(redeem_id);
 
             if (::IsMine(*pwallet, redeemDestination) == ISMINE_SPENDABLE) {
                 throw JSONRPCError(RPC_WALLET_ERROR, "The wallet already contains the private key for this address or script");