2 files changed, 3 insertions, 3 deletions
diff --git a/include/log.h b/include/log.h
index a3e8281..7c25918 100644
--- a/include/log.h
+++ b/include/log.h
@@ -34,7 +34,7 @@ class Log {
   Log() : mp_loghandler(&stdlog_handler), m_loglevel(Loglevel::WARNING) {}
 
   static Log &instance() {
-    if (mp_instance == NULL) mp_instance = new Log;
+    if (mp_instance == nullptr) mp_instance = new Log;
     return *mp_instance;
   }
 
diff --git a/log.cc b/log.cc
index 5889a1e..70853fc 100644
--- a/log.cc
+++ b/log.cc
@@ -7,7 +7,7 @@
 namespace nitrokey {
 namespace log {
 
-Log *Log::mp_instance = NULL;
+Log *Log::mp_instance = nullptr;
 StdlogHandler stdlog_handler;
 
 std::string LogHandler::loglevel_to_str(Loglevel lvl) {
@@ -27,7 +27,7 @@ std::string LogHandler::loglevel_to_str(Loglevel lvl) {
 }
 
 void Log::operator()(const std::string &logstr, Loglevel lvl) {
-  if (mp_loghandler != NULL)
+  if (mp_loghandler != nullptr)
     if ((int)(lvl) >= (int)(m_loglevel)) mp_loghandler->print(logstr, lvl);
 }