diff --git a/tests/test-stream-pcm.cpp b/tests/test-stream-pcm.cpp
index d8abbf3b..59c0f6b2 100644
--- a/tests/test-stream-pcm.cpp
+++ b/tests/test-stream-pcm.cpp
@@ -1,6 +1,7 @@
 #include <cstdlib>
 #include <cstdio>
 #include <cerrno>
+#include <cstring>
 #include <filesystem>
 #include <fstream>
 #include <string>