diff --git a/tests/mgmt/config-file.cpp b/tests/mgmt/config-file.cpp
index df0d9c3..ff352d4 100644
--- a/tests/mgmt/config-file.cpp
+++ b/tests/mgmt/config-file.cpp
@@ -22,11 +22,12 @@
  * NFD, e.g., in COPYING.md file.  If not, see <http://www.gnu.org/licenses/>.
  **/
 
-
 #include "mgmt/config-file.hpp"
 
 #include "tests/test-common.hpp"
 
+#include <fstream>
+
 namespace nfd {
 namespace tests {