diff --git a/src/tests/system/libroot/posix/math/math_test.cpp b/src/tests/system/libroot/posix/math/math_test.cpp
index 2af85e84d3..cb5e5de188 100644
--- a/src/tests/system/libroot/posix/math/math_test.cpp
+++ b/src/tests/system/libroot/posix/math/math_test.cpp
@@ -9,6 +9,7 @@
 #include <cmath>
 #include <cassert>
 #include <cstdio>
+#include <cstring>
 
 static image_id
 get_libroot_id()