diff --git a/src/core/CommonConfig.cpp b/src/core/CommonConfig.cpp
index b444537e6..726b0e37b 100644
--- a/src/core/CommonConfig.cpp
+++ b/src/core/CommonConfig.cpp
@@ -266,7 +266,7 @@ bool xmrig::CommonConfig::save()
     uv_fs_close(uv_default_loop(), &req, fd, nullptr);
     uv_fs_req_cleanup(&req);
 
-    LOG_NOTICE("configuration saved to: \"%s\"", m_fileName);
+    LOG_NOTICE("configuration saved to: \"%s\"", m_fileName.data());
     return true;
 }
 
diff --git a/src/core/Config.cpp b/src/core/Config.cpp
index a91366608..f72112509 100644
--- a/src/core/Config.cpp
+++ b/src/core/Config.cpp
@@ -279,7 +279,7 @@ bool xmrig::Config::parseInt(int key, int arg)
 {
     switch (key) {
     case xmrig::IConfig::ThreadsKey: /* --threads */
-        if (m_threadsCount >= 0 && arg < 1024) {
+        if (arg >= 0 && arg < 1024) {
             m_threadsCount = arg;
         }
         break;