diff --git a/src/thread/win32/SDL_systhread.c b/src/thread/win32/SDL_systhread.c
index 167764b73..71c0e1269 100644
--- a/src/thread/win32/SDL_systhread.c
+++ b/src/thread/win32/SDL_systhread.c
@@ -80,7 +80,7 @@ typedef struct ThreadStartParms
     pfnSDL_CurrentEndThread pfnCurrentEndThread;
 } tThreadStartParms, *pThreadStartParms;
 
-static unsigned __stdcall
+static DWORD __stdcall
 RunThread(void *data)
 {
     pThreadStartParms pThreadParms = (pThreadStartParms) data;