diff --git a/tdutils/td/utils/port/Stat.cpp b/tdutils/td/utils/port/Stat.cpp
index 28ef069e..eb6204bc 100644
--- a/tdutils/td/utils/port/Stat.cpp
+++ b/tdutils/td/utils/port/Stat.cpp
@@ -299,5 +299,9 @@ Result<Stat> stat(CSlice path) {
   return fd.stat();
 }
 
+Result<CpuStat> cpu_stat() {
+  return Status::Error("Not supported");
+}
+
 }  // namespace td
 #endif
diff --git a/tdutils/td/utils/port/Stat.h b/tdutils/td/utils/port/Stat.h
index e4cb7f9a..d0a98db1 100644
--- a/tdutils/td/utils/port/Stat.h
+++ b/tdutils/td/utils/port/Stat.h
@@ -24,6 +24,13 @@ struct Stat {
 
 Result<Stat> stat(CSlice path) TD_WARN_UNUSED_RESULT;
 
+struct CpuStat {
+  uint64 total_ticks{0};
+  uint64 process_user_ticks{0};
+  uint64 process_system_ticks{0};
+};
+Result<CpuStat> cpu_stat() TD_WARN_UNUSED_RESULT;
+
 #if TD_PORT_POSIX
 
 namespace detail {
@@ -41,13 +48,6 @@ struct MemStat {
 
 Result<MemStat> mem_stat() TD_WARN_UNUSED_RESULT;
 
-struct CpuStat {
-  uint64 total_ticks{0};
-  uint64 process_user_ticks{0};
-  uint64 process_system_ticks{0};
-};
-Result<CpuStat> cpu_stat() TD_WARN_UNUSED_RESULT;
-
 #endif
 
 }  // namespace td