diff --git a/src/bitcoinrpc.cpp b/src/bitcoinrpc.cpp
index b80708dab4a..6bb5fd09540 100644
--- a/src/bitcoinrpc.cpp
+++ b/src/bitcoinrpc.cpp
@@ -1404,8 +1404,8 @@ Value listsinceblock(const Array& params, bool fHelp)
 {
     if (fHelp)
         throw runtime_error(
-            "listsinceblock [blockid] [target-confirmations]\n"
-            "Get all transactions in blocks since block [blockid], or all transactions if omitted");
+            "listsinceblock [blockhash] [target-confirmations]\n"
+            "Get all transactions in blocks since block [blockhash], or all transactions if omitted");
 
     CBlockIndex *pindex = NULL;
     int target_confirms = 1;
@@ -1442,7 +1442,6 @@ Value listsinceblock(const Array& params, bool fHelp)
 
     if (target_confirms == 1)
     {
-        printf("oops!\n");
         lastblock = hashBestChain;
     }
     else
diff --git a/src/main.h b/src/main.h
index 2f07372dfcf..e74263ad8bd 100644
--- a/src/main.h
+++ b/src/main.h
@@ -955,9 +955,10 @@ public:
         fileout << FLATDATA(pchMessageStart) << nSize;
 
         // Write block
-        nBlockPosRet = ftell(fileout);
-        if (nBlockPosRet == -1)
+        long fileOutPos = ftell(fileout);
+        if (fileOutPos < 0)
             return error("CBlock::WriteToDisk() : ftell failed");
+        nBlockPosRet = fileOutPos;
         fileout << *this;
 
         // Flush stdio buffers and commit to disk before returning