diff --git a/client/TracySysTime.cpp b/client/TracySysTime.cpp
index 48f3ac27..ab21f973 100644
--- a/client/TracySysTime.cpp
+++ b/client/TracySysTime.cpp
@@ -2,14 +2,14 @@
 
 #ifdef TRACY_HAS_SYSTIME
 
-#  ifdef _WIN32
+#  if defined _WIN32 || defined __CYGWIN__
 #    include <windows.h>
 #  endif
 
 namespace tracy
 {
 
-#  ifdef _WIN32
+#  if defined _WIN32 || defined __CYGWIN__
 
 static inline uint64_t ConvertTime( const FILETIME& t )
 {
diff --git a/client/TracySysTime.hpp b/client/TracySysTime.hpp
index 298ec5f6..07dafc14 100644
--- a/client/TracySysTime.hpp
+++ b/client/TracySysTime.hpp
@@ -1,7 +1,7 @@
 #ifndef __TRACYSYSTIME_HPP__
 #define __TRACYSYSTIME_HPP__
 
-#ifdef _WIN32
+#if defined _WIN32 || defined __CYGWIN__
 #  define TRACY_HAS_SYSTIME
 #endif
 
@@ -19,7 +19,7 @@ public:
     float Get();
 
 private:
-#  ifdef _WIN32
+#  if defined _WIN32 || defined __CYGWIN__
     uint64_t idle, used;
 #  endif
 };