diff --git a/client/TracyCallstack.h b/client/TracyCallstack.h
index 40e1ace4..e8d4eea7 100644
--- a/client/TracyCallstack.h
+++ b/client/TracyCallstack.h
@@ -1,6 +1,10 @@
 #ifndef __TRACYCALLSTACK_H__
 #define __TRACYCALLSTACK_H__
 
+#if !defined _WIN32 && !defined __CYGWIN__
+#  include <sys/param.h>
+#endif
+
 #if defined _WIN32 || defined __CYGWIN__
 #  define TRACY_HAS_CALLSTACK 1
 #elif defined __ANDROID__
@@ -15,7 +19,7 @@
 #  else
 #    define TRACY_HAS_CALLSTACK 2
 #  endif
-#elif defined __APPLE__
+#elif defined __APPLE__ || defined BSD
 #  define TRACY_HAS_CALLSTACK 4
 #endif