diff --git a/tests/tests.cpp b/tests/tests.cpp
index 21191675..fde3053f 100644
--- a/tests/tests.cpp
+++ b/tests/tests.cpp
@@ -307,9 +307,9 @@ static
 void
 test_rmdir()
 {
-  int fd;
+  int root_fd;
 
-  fd = openat(AT_FDCWD,"/mnt/tmp",O_DIRECTORY,0777);
+  root_fd = openat(AT_FDCWD,"/mnt/tmp",O_DIRECTORY,0777);
 
 
   close(fd);