diff --git a/src/d_anonstats.cpp b/src/d_anonstats.cpp
index 440f54d4eb..edd3ded7cd 100644
--- a/src/d_anonstats.cpp
+++ b/src/d_anonstats.cpp
@@ -18,9 +18,9 @@ void D_ConfirmSendStats()
 #include <winsock2.h>
 extern const char* sys_ostype;
 #else
+extern FString sys_ostype;
 #ifdef __APPLE__
 #include <CoreFoundation/CoreFoundation.h>
-extern FString sys_ostype;
 #else // !__APPLE__
 #include <SDL.h>
 #endif // __APPLE__