diff --git a/compat/posix/src/misc.c b/compat/posix/src/misc.c
index b8491a1b..821d4217 100644
--- a/compat/posix/src/misc.c
+++ b/compat/posix/src/misc.c
@@ -170,6 +170,9 @@ int getrlimit(int resource, struct rlimit *rlim)
 }
 
 #define FSIZE_RLIMIT 0XFFFFFFFF
+#ifndef NR_OPEN_DEFAULT
+#define NR_OPEN_DEFAULT 1024
+#endif
 int setrlimit(int resource, const struct rlimit *rlim)
 {
     LosProcessCB *pcb = OsCurrProcessGet();