diff --git a/include/gpu.hpp b/include/gpu.hpp
index 6dad241..cbc8cf3 100644
--- a/include/gpu.hpp
+++ b/include/gpu.hpp
@@ -23,9 +23,9 @@ struct gpu_t {
 };
 
 struct GpuMetricsHeader_t {
-    uint16_t structure_size;
-    uint8_t format_revision;
-    uint8_t content_revision;
+    uint16_t structure_size = 0;
+    uint8_t format_revision = 0;
+    uint8_t content_revision = 0;
 };
 
 gpu_t getGpu(GpuMetricsHeader_t header, std::string hw);