diff --git a/targets.hpp b/targets.hpp
index fe256a3..02bdd4f 100644
--- a/targets.hpp
+++ b/targets.hpp
@@ -103,8 +103,8 @@
     if (fs::exists(sysfsFullPath))
     {
         auto useTarget = true;
-        auto tmEnv = getenv("TARGET_MODE");
-        if (tmEnv)
+        auto tmEnv = env::getEnv("TARGET_MODE");
+        if (!tmEnv.empty())
         {
             std::string mode{tmEnv};
             std::transform(mode.begin(), mode.end(), mode.begin(), toupper);