diff --git a/osx.c b/osx.c
index 9219736..40035f6 100644
--- a/osx.c
+++ b/osx.c
@@ -177,7 +177,7 @@ fail:
 #endif
 
 #ifdef __linux__
-#define sys_posix_fadvise(fd, advice) posix_fadvise(fd, 0, 0, advice)
+#define fadvise(fd, advice) posix_fadvise(fd, 0, 0, advice)
 #else
 // Stub posix_fadvise()
 #define POSIX_FADV_NORMAL 0
@@ -185,7 +185,7 @@ fail:
 #define POSIX_FADV_RANDOM 0
 #define POSIX_FADV_NOREUSE 0
 
-static inline int sys_posix_fadvise(int fd, int advice)
+static inline int fadvise(int fd, int advice)
 {
     (void) fd;
     (void) advice;
@@ -645,7 +645,7 @@ static int os_fadvise(lua_State *L)
     luaL_Stream *stream = luaL_checkudata(L, 1, LUA_FILEHANDLE);
     int i = luaL_checkoption(L, 2, NULL, hints);
 
-    int ec = sys_posix_fadvise(fileno(stream->f), ihints[i]);
+    int ec = fadvise(fileno(stream->f), ihints[i]);
     return os_result(L, ec, NULL);
 }