diff --git a/src/gpu.cpp b/src/gpu.cpp
index abff8e2..cc06bcf 100644
--- a/src/gpu.cpp
+++ b/src/gpu.cpp
@@ -17,7 +17,7 @@ void detectHwmon(gpuSensors* target, const std::string& pci) {
     target->hwmon = utils::getFirstDir("/sys/bus/pci/devices/" + pci + "/hwmon");
     applog(LOG::INF, "Detected path \"{}\"", target->hwmon);
 
-    if(utils::fileExists(target->hwmon + REL_METRICS_PATH)) {
+    if(utils::fileExists(target->hwmon + rel_metrics_path)) {
         applog(LOG::INF, "found gpu_metrics");
         target->hasGpuMetrics = true;
     }
@@ -47,8 +47,8 @@ void updateFromFs(gpuSensors* g) {
 
 /* get sensors for vega and newer (rx5700xt, rx7800xt [*]) */
 void updateFromMetrics(gpuSensors* g) {
-    char raw_metrics[MAX_METRICS_LENGTH];
-    if (!utils::readFile(g->hwmon + REL_METRICS_PATH, raw_metrics, sizeof(raw_metrics))) return;
+    char raw_metrics[max_metrics_length];
+    if (!utils::readFile(g->hwmon + rel_metrics_path, raw_metrics, sizeof(raw_metrics))) return;
 
     auto header = reinterpret_cast<metrics::metrics_table_header*>(raw_metrics);
     switch (header->format_revision * 10 + header->content_revision) {