diff --git a/src/init.cpp b/src/init.cpp
index 72346be67..40dd2d04c 100644
--- a/src/init.cpp
+++ b/src/init.cpp
@@ -11,10 +11,11 @@
 
 #include "addrman.h"
 #include "db.h"
-#include "rpcserver.h"
 #include "checkpoints.h"
+#include "main.h"
 #include "miner.h"
 #include "net.h"
+#include "rpcserver.h"
 #include "txdb.h"
 #include "ui_interface.h"
 #include "util.h"
@@ -282,8 +283,8 @@ std::string HelpMessage(HelpMessageMode hmm)
 
     strUsage += "\n" + _("Block creation options:") + "\n";
     strUsage += "  -blockminsize=<n>      " + _("Set minimum block size in bytes (default: 0)") + "\n";
-    strUsage += "  -blockmaxsize=<n>      " + _("Set maximum block size in bytes (default: 250000)") + "\n";
-    strUsage += "  -blockprioritysize=<n> " + _("Set maximum size of high-priority/low-fee transactions in bytes (default: 27000)") + "\n";
+    strUsage += "  -blockmaxsize=<n>      " + strprintf(_("Set maximum block size in bytes (default: %d)"), DEFAULT_BLOCK_MAX_SIZE) + "\n";
+    strUsage += "  -blockprioritysize=<n> " + strprintf(_("Set maximum size of high-priority/low-fee transactions in bytes (default: %d)"), DEFAULT_BLOCK_PRIORITY_SIZE) + "\n";
 
     strUsage += "\n" + _("SSL options: (see the Bitcoin Wiki for SSL setup instructions)") + "\n";
     strUsage += "  -rpcssl                                  " + _("Use OpenSSL (https) for JSON-RPC connections") + "\n";