diff --git a/src/consumer-db.cpp b/src/consumer-db.cpp
index 6baa696..bd707bf 100644
--- a/src/consumer-db.cpp
+++ b/src/consumer-db.cpp
@@ -47,11 +47,11 @@
 class ConsumerDB::Impl
 {
 public:
-  Impl(const std::string& dbDir)
+  Impl(const std::string& dbPath)
   {
     // open Database
 
-    int result = sqlite3_open_v2(dbDir.c_str(), &m_database,
+    int result = sqlite3_open_v2(dbPath.c_str(), &m_database,
                                  SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE,
 #ifdef NDN_CXX_DISABLE_SQLITE3_FS_LOCKING
                                  "unix-dotfile"
@@ -61,7 +61,7 @@
                                  );
 
     if (result != SQLITE_OK)
-      BOOST_THROW_EXCEPTION(Error("GroupManager DB cannot be opened/created: " + dbDir));
+      BOOST_THROW_EXCEPTION(Error("GroupManager DB cannot be opened/created: " + dbPath));
 
     // initialize database specific tables
     char* errorMessage = nullptr;
@@ -82,8 +82,8 @@
 };
 
 
-ConsumerDB::ConsumerDB(const std::string& dbDir)
-  : m_impl(new Impl(dbDir))
+ConsumerDB::ConsumerDB(const std::string& dbPath)
+  : m_impl(new Impl(dbPath))
 {
 }