diff --git a/base/errors_unix.cpp b/base/errors_unix.cpp
index 296995e..48269b6 100644
--- a/base/errors_unix.cpp
+++ b/base/errors_unix.cpp
@@ -17,6 +17,7 @@
#include "android-base/errors.h"
#include <errno.h>
+#include <string.h>
namespace android {
namespace base {
diff --git a/base/file.cpp b/base/file.cpp
index da1adba..91a3901 100644
--- a/base/file.cpp
+++ b/base/file.cpp
@@ -20,6 +20,7 @@
#include <fcntl.h>
#include <sys/stat.h>
#include <sys/types.h>
+#include <string.h>
#include <string>
diff --git a/base/logging.cpp b/base/logging.cpp
index 1741871..0f9e11a 100644
--- a/base/logging.cpp
+++ b/base/logging.cpp
@@ -29,6 +29,7 @@
#include <errno.h>
#endif
+#include <string.h>
#include <iostream>
#include <limits>
#include <sstream>