diff --git a/src/decoder.hpp b/src/decoder.hpp
index 4c69b853..a4342a65 100644
--- a/src/decoder.hpp
+++ b/src/decoder.hpp
@@ -32,7 +32,7 @@
 
 #include <algorithm>
 #include <cstddef>
-#include <cstdlib>
+#include <cstring>
 
 #include "decoder_allocators.hpp"
 #include "err.hpp"