diff --git a/test/unit_test_001.cpp b/test/unit_test_001.cpp
index e095f456..4c0ce973 100644
--- a/test/unit_test_001.cpp
+++ b/test/unit_test_001.cpp
@@ -25,7 +25,7 @@
 
 
 #include "Arduino.h"
-#include "RainGauge.h"
+#include "../src/RainGauge.h"
 #define TOLERANCE 0.11
 
 /**