1 files changed, 4 insertions, 4 deletions
diff --git a/src/arith_uint256.cpp b/src/arith_uint256.cpp
index 2e61363576..dd34a313b7 100644
--- a/src/arith_uint256.cpp
+++ b/src/arith_uint256.cpp
@@ -1,5 +1,5 @@
 // Copyright (c) 2009-2010 Satoshi Nakamoto
-// Copyright (c) 2009-2014 The Bitcoin developers
+// Copyright (c) 2009-2016 The Bitcoin Core developers
 // Distributed under the MIT software license, see the accompanying
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
@@ -173,9 +173,9 @@ unsigned int base_uint<BITS>::bits() const
 {
     for (int pos = WIDTH - 1; pos >= 0; pos--) {
         if (pn[pos]) {
-            for (int bits = 31; bits > 0; bits--) {
-                if (pn[pos] & 1 << bits)
-                    return 32 * pos + bits + 1;
+            for (int nbits = 31; nbits > 0; nbits--) {
+                if (pn[pos] & 1 << nbits)
+                    return 32 * pos + nbits + 1;
             }
             return 32 * pos + 1;
         }