diff --git a/test/pid_fancontroller_unittest.cpp b/test/pid_fancontroller_unittest.cpp
index 8379113..6075a95 100644
--- a/test/pid_fancontroller_unittest.cpp
+++ b/test/pid_fancontroller_unittest.cpp
@@ -1,3 +1,5 @@
+#include "config.h"
+
 #include "pid/ec/logging.hpp"
 #include "pid/ec/pid.hpp"
 #include "pid/fancontroller.hpp"