diff --git a/src/loaders/loader_nvml.cpp b/src/loaders/loader_nvml.cpp
index 798e745..7e7cf61 100644
--- a/src/loaders/loader_nvml.cpp
+++ b/src/loaders/loader_nvml.cpp
@@ -174,6 +174,19 @@ bool libnvml_loader::Load(const std::string& library_name) {
     return false;
   }
 
+#if defined(LIBRARY_LOADER_NVML_H_DLOPEN)
+  nvmlDeviceGetPowerUsage =
+      reinterpret_cast<decltype(this->nvmlDeviceGetPowerUsage)>(
+          dlsym(library_, "nvmlDeviceGetPowerUsage"));
+#endif
+#if defined(LIBRARY_LOADER_NVML_H_DT_NEEDED)
+  nvmlDeviceGetPowerUsage = &::nvmlDeviceGetPowerUsage;
+#endif
+  if (!nvmlDeviceGetPowerUsage) {
+    CleanUp(true);
+    return false;
+  }
+
   loaded_ = true;
   return true;
 }
diff --git a/src/loaders/loader_nvml.h b/src/loaders/loader_nvml.h
index c9fb7ba..6cd0aeb 100644
--- a/src/loaders/loader_nvml.h
+++ b/src/loaders/loader_nvml.h
@@ -36,6 +36,7 @@ class libnvml_loader {
   decltype(&::nvmlDeviceGetMemoryInfo) nvmlDeviceGetMemoryInfo;
   decltype(&::nvmlDeviceGetClockInfo) nvmlDeviceGetClockInfo;
   decltype(&::nvmlErrorString) nvmlErrorString;
+  decltype(&::nvmlDeviceGetPowerUsage) nvmlDeviceGetPowerUsage;
 
  private:
   void CleanUp(bool unload);