diff --git a/TSRM/tsrm_virtual_cwd.c b/TSRM/tsrm_virtual_cwd.c
index 45e5e5c9aca..0cf7f25ff6e 100644
--- a/TSRM/tsrm_virtual_cwd.c
+++ b/TSRM/tsrm_virtual_cwd.c
@@ -1193,7 +1193,7 @@ static void UnixTimeToFileTime(time_t t, LPFILETIME pft) /* {{{ */
 }
 /* }}} */
 
-TSRM_API int win32_utime(const char *filename, struct utimbuf *buf) /* {{{ */
+static int win32_utime(const char *filename, struct utimbuf *buf) /* {{{ */
 {
 	FILETIME mtime, atime;
 	HANDLE hFile;