diff --git a/src/init.cpp b/src/init.cpp
index 803c375835..34bc580f19 100644
--- a/src/init.cpp
+++ b/src/init.cpp
@@ -343,7 +343,7 @@ std::string HelpMessage(HelpMessageMode mode)
     strUsage += "  -keepasskey=<key>        " + _("KeePassHttp key for AES encrypted communication with KeePass") + "\n";
     strUsage += "  -keepassid=<name>        " + _("KeePassHttp id for the established association") + "\n";
     strUsage += "  -keepassname=<name>      " + _("Name to construct url for KeePass entry that stores the wallet passphrase") + "\n";
-    strUsage += "  -keypool=<n>             " + strprintf(_("Set key pool size to <n> (default: %u)"), 100) + "\n";
+    strUsage += "  -keypool=<n>             " + strprintf(_("Set key pool size to <n> (default: %u). Run 'keypoolrefill' to apply this to already existing wallets"), DEFAULT_KEYPOOL_SIZE) + "\n";
     if (GetBoolArg("-help-debug", false))
         strUsage += "  -mintxfee=<amt>          " + strprintf(_("Fees (in DASH/Kb) smaller than this are considered zero fee for transaction creation (default: %s)"), FormatMoney(CWallet::minTxFee.GetFeePerK())) + "\n";
     strUsage += "  -paytxfee=<amt>          " + strprintf(_("Fee (in DASH/kB) to add to transactions you send (default: %s)"), FormatMoney(payTxFee.GetFeePerK())) + "\n";
diff --git a/src/rpcwallet.cpp b/src/rpcwallet.cpp
index c60c819a35..7f7408f694 100644
--- a/src/rpcwallet.cpp
+++ b/src/rpcwallet.cpp
@@ -1685,7 +1685,7 @@ Value keypoolrefill(const Array& params, bool fHelp)
             "\nFills the keypool."
             + HelpRequiringPassphrase() + "\n"
             "\nArguments\n"
-            "1. newsize     (numeric, optional, default=100) The new keypool size\n"
+            "1. newsize     (numeric, optional, default=" + itostr(DEFAULT_KEYPOOL_SIZE) + ") The new keypool size\n"
             "\nExamples:\n"
             + HelpExampleCli("keypoolrefill", "")
             + HelpExampleRpc("keypoolrefill", "")
diff --git a/src/wallet.cpp b/src/wallet.cpp
index 03580682eb..7a73760225 100644
--- a/src/wallet.cpp
+++ b/src/wallet.cpp
@@ -2639,7 +2639,7 @@ bool CWallet::NewKeyPool()
         if (IsLocked())
             return false;
 
-        int64_t nKeys = max(GetArg("-keypool", 1000), (int64_t) 0);
+        int64_t nKeys = max(GetArg("-keypool", DEFAULT_KEYPOOL_SIZE), (int64_t) 0);
         for (int i = 0; i < nKeys; i++)
         {
             int64_t nIndex = i+1;
@@ -2666,7 +2666,7 @@ bool CWallet::TopUpKeyPool(unsigned int kpSize)
         if (kpSize > 0)
             nTargetSize = kpSize;
         else
-            nTargetSize = max(GetArg("-keypool", 1000), (int64_t) 0);
+            nTargetSize = max(GetArg("-keypool", DEFAULT_KEYPOOL_SIZE), (int64_t) 0);
 
         while (setKeyPool.size() < (nTargetSize + 1))
         {
diff --git a/src/wallet.h b/src/wallet.h
index 069b50520e..f65ed8b983 100644
--- a/src/wallet.h
+++ b/src/wallet.h
@@ -48,6 +48,8 @@ static const CAmount DEFAULT_TRANSACTION_MAXFEE = 0.1 * COIN;
 static const CAmount nHighTransactionMaxFeeWarning = 100 * nHighTransactionFeeWarning;
 //! Largest (in bytes) free transaction we're willing to create
 static const unsigned int MAX_FREE_TRANSACTION_CREATE_SIZE = 1000;
+//! -keypool default
+static const unsigned int DEFAULT_KEYPOOL_SIZE = 1000;
 
 class CAccountingEntry;
 class CCoinControl;