diff --git a/src/win/winapi.h b/src/win/winapi.h
index 341fcd08..9401676f 100644
--- a/src/win/winapi.h
+++ b/src/win/winapi.h
@@ -4606,6 +4606,10 @@ typedef NTSTATUS (NTAPI *sNtQueryDirectoryFile)
 #endif
 
 /* from winerror.h */
+#ifndef ERROR_ELEVATION_REQUIRED
+# define ERROR_ELEVATION_REQUIRED 740
+#endif
+
 #ifndef ERROR_SYMLINK_NOT_SUPPORTED
 # define ERROR_SYMLINK_NOT_SUPPORTED 1464
 #endif
diff --git a/test/test-error.c b/test/test-error.c
index ff53eb1d..a2d559a4 100644
--- a/test/test-error.c
+++ b/test/test-error.c
@@ -21,6 +21,9 @@
 
 #include "uv.h"
 #include "task.h"
+#if defined(_WIN32)
+# include "../src/win/winapi.h"
+#endif
 
 #include <stdio.h>
 #include <stdlib.h>