1 files changed, 3 insertions, 1 deletions
diff --git a/src/stat/fstat.c b/src/stat/fstat.c
index 29b4243d..b5611767 100644
--- a/src/stat/fstat.c
+++ b/src/stat/fstat.c
@@ -1,5 +1,6 @@
 #include <sys/stat.h>
 #include <errno.h>
+#include <fcntl.h>
 #include "syscall.h"
 #include "libc.h"
 
@@ -8,7 +9,8 @@ void __procfdname(char *, unsigned);
 int fstat(int fd, struct stat *st)
 {
 	int ret = __syscall(SYS_fstat, fd, st);
-	if (ret != -EBADF || fd < 0) return __syscall_ret(ret);
+	if (ret != -EBADF || __syscall(SYS_fcntl, fd, F_GETFD) < 0)
+		return __syscall_ret(ret);
 
 	char buf[15+3*sizeof(int)];
 	__procfdname(buf, fd);