diff --git a/dll/dll/common_includes.h b/dll/dll/common_includes.h
index 17a398c4..f9a49ccc 100644
--- a/dll/dll/common_includes.h
+++ b/dll/dll/common_includes.h
@@ -19,27 +19,7 @@
 #define __INCLUDED_COMMON_INCLUDES__
 
 // OS detection
-#if defined(WIN64) || defined(_WIN64) || defined(__MINGW64__)
-    #define __WINDOWS_64__
-#elif defined(WIN32) || defined(_WIN32) || defined(__MINGW32__)
-    #define __WINDOWS_32__
-#endif
-
-#if defined(__WINDOWS_32__) || defined(__WINDOWS_64__)
-    #define __WINDOWS__
-#endif
-
-#if defined(__linux__) || defined(linux)
-    #if defined(__x86_64__)
-        #define __LINUX_64__
-    #else
-        #define __LINUX_32__
-    #endif
-#endif
-
-#if defined(__LINUX_32__) || defined(__LINUX_64__)
-    #define __LINUX__
-#endif
+#include "common_helpers/os_detector.h"
 
 #if defined(__WINDOWS__)
     #define STEAM_WIN32
diff --git a/helpers/common_helpers/os_detector.h b/helpers/common_helpers/os_detector.h
new file mode 100644
index 00000000..d1fc18aa
--- /dev/null
+++ b/helpers/common_helpers/os_detector.h
@@ -0,0 +1,33 @@
+#ifndef __INCLUDED_OS_DETECTOR__
+#define __INCLUDED_OS_DETECTOR__
+
+
+#if defined(WIN64) || defined(_WIN64) || defined(__MINGW64__)
+    #define __WINDOWS_64__
+#elif defined(WIN32) || defined(_WIN32) || defined(__MINGW32__)
+    #define __WINDOWS_32__
+#endif
+
+#if defined(__WINDOWS_32__) || defined(__WINDOWS_64__)
+    #define __WINDOWS__
+#endif
+
+#if defined(__linux__) || defined(linux)
+    #if defined(__x86_64__)
+        #define __LINUX_64__
+    #else
+        #define __LINUX_32__
+    #endif
+#endif
+
+#if defined(__LINUX_32__) || defined(__LINUX_64__)
+    #define __LINUX__
+#endif
+
+// https://sourceforge.net/p/predef/wiki/OperatingSystems/
+#if defined(__APPLE__) || defined(macintosh) || defined(Macintosh) || defined(__MACH__)
+    #define __MACOS__
+#endif
+
+
+#endif