diff --git a/base_cpp/src/log.cc b/base_cpp/src/log.cc
index 7bf80fc..7a491b2 100644
--- a/base_cpp/src/log.cc
+++ b/base_cpp/src/log.cc
@@ -28,6 +28,7 @@
 #include <embb/base/c/internal/unused.h>
 
 #include <cstdarg>
+#include <cstring>
 
 extern "C" void embb_log_write_internal(
   char const * channel,