diff --git a/everdb-native/test_hash.cpp b/everdb-native/test_hash.cpp
index 142e119..6202f34 100644
--- a/everdb-native/test_hash.cpp
+++ b/everdb-native/test_hash.cpp
@@ -3,6 +3,9 @@
 
 #include "hash.h"
 
+#ifdef __linux__
+#include "string.h" //memcpy
+#endif
 
 TEST_CASE() {