diff --git a/src/coins.cpp b/src/coins.cpp
index c8bd65a9d..6bdd3a1bd 100644
--- a/src/coins.cpp
+++ b/src/coins.cpp
@@ -185,7 +185,7 @@ void CCoinsViewCache::PopAnchor(const uint256 &newrt) {
     }
 }
 
-void CCoinsViewCache::SetSerial(const uint256 &serial, bool spent) {
+void CCoinsViewCache::SetNullifier(const uint256 &serial, bool spent) {
     std::pair<CSerialsMap::iterator, bool> ret = cacheSerials.insert(std::make_pair(serial, CSerialsCacheEntry()));
     ret.first->second.entered = spent;
     ret.first->second.flags |= CSerialsCacheEntry::DIRTY;
diff --git a/src/coins.h b/src/coins.h
index 219583b10..e1bf18cf1 100644
--- a/src/coins.h
+++ b/src/coins.h
@@ -473,7 +473,7 @@ public:
     void PopAnchor(const uint256 &rt);
 
     // Marks a serial as spent or not.
-    void SetSerial(const uint256 &serial, bool spent);
+    void SetNullifier(const uint256 &serial, bool spent);
 
     /**
      * Return a pointer to CCoins in the cache, or NULL if not found. This is
diff --git a/src/main.cpp b/src/main.cpp
index cdc8b4104..3b50dc48f 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1588,7 +1588,7 @@ void UpdateCoins(const CTransaction& tx, CValidationState &state, CCoinsViewCach
     // spend nullifiers
     BOOST_FOREACH(const JSDescription &pour, tx.vjoinsplit) {
         BOOST_FOREACH(const uint256 &serial, pour.nullifiers) {
-            inputs.SetSerial(serial, true);
+            inputs.SetNullifier(serial, true);
         }
     }
 
@@ -1910,7 +1910,7 @@ bool DisconnectBlock(CBlock& block, CValidationState& state, CBlockIndex* pindex
         // unspend nullifiers
         BOOST_FOREACH(const JSDescription &pour, tx.vjoinsplit) {
             BOOST_FOREACH(const uint256 &serial, pour.nullifiers) {
-                view.SetSerial(serial, false);
+                view.SetNullifier(serial, false);
             }
         }
 
diff --git a/src/test/coins_tests.cpp b/src/test/coins_tests.cpp
index 40c0a6cc0..3d4d4fda1 100644
--- a/src/test/coins_tests.cpp
+++ b/src/test/coins_tests.cpp
@@ -171,14 +171,14 @@ BOOST_AUTO_TEST_CASE(serials_test)
     uint256 myserial = GetRandHash();
 
     BOOST_CHECK(!cache.GetNullifier(myserial));
-    cache.SetSerial(myserial, true);
+    cache.SetNullifier(myserial, true);
     BOOST_CHECK(cache.GetNullifier(myserial));
     cache.Flush();
 
     CCoinsViewCacheTest cache2(&base);
 
     BOOST_CHECK(cache2.GetNullifier(myserial));
-    cache2.SetSerial(myserial, false);
+    cache2.SetNullifier(myserial, false);
     BOOST_CHECK(!cache2.GetNullifier(myserial));
     cache2.Flush();