--- src/database/FrequencyDBImpl_bdb.cc
+++ src/database/FrequencyDBImpl_bdb.cc
@@ -155,7 +155,7 @@ bool FrequencyDBImpl_bdb::openDatabase(c
   // hideous ifdefs into my code.
   string filename(m_env ? db_file.getName() : db_file.getPath());
   int flags = read_only ? DB_RDONLY : DB_CREATE;
-#if DB_VERSION_MAJOR >= 4 && DB_VERSION_MINOR >= 1
+#if DB_VERSION_MAJOR > 4 || (DB_VERSION_MAJOR >= 4 && DB_VERSION_MINOR >= 1)
   ret = m_file->open(m_file, NULL, filename.c_str(), NULL, DB_BTREE, flags, create_mode);
 #else
   ret = m_file->open(m_file, filename.c_str(), NULL, DB_BTREE, flags, create_mode);