diff --git a/cli/src/main.c b/cli/src/main.c
index d9425815c8d699faf5ec85da3f105403080a3fcd..aa3d404d53e58dd2133e911ed5ef7281dc43cab5 100644
--- a/cli/src/main.c
+++ b/cli/src/main.c
@@ -37,7 +37,7 @@
 #define MAX_ARGC 1024
 #define MAX_ARG_LEN 1024
 
-bool g_allowLink = false;
+extern bool g_allowLink;
 
 struct CmdArgs {
     char rootfs[BUF_SIZE];
@@ -491,4 +491,4 @@ int main(int argc, char **argv)
 #endif
     int ret = Process(argc, argv);
     return ret;
-}
\ No newline at end of file
+}