diff --git a/src/os/win32/ngx_files.h b/src/os/win32/ngx_files.h
index adcaab3d4..e0fa700a6 100644
--- a/src/os/win32/ngx_files.h
+++ b/src/os/win32/ngx_files.h
@@ -104,6 +104,7 @@ ngx_int_t ngx_file_info(u_char *filename, ngx_file_info_t *fi);
 #define ngx_is_dir(fi)      ((fi)->dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
 #define ngx_is_file(fi)     !((fi)->dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
 #define ngx_is_link(fi)     0
+#define ngx_is_exec(fi)     0
 
 #define ngx_file_access(fi) 0