diff --git a/examples/mnist/main.cpp b/examples/mnist/main.cpp
index 60a8fa716..c84eedd92 100644
--- a/examples/mnist/main.cpp
+++ b/examples/mnist/main.cpp
@@ -4,6 +4,7 @@
 
 #include <cmath>
 #include <cstdio>
+#include <cstring>
 #include <ctime>
 #include <fstream>
 #include <string>
diff --git a/examples/mpt/main.cpp b/examples/mpt/main.cpp
index 18d3bd3e8..84bb3f934 100644
--- a/examples/mpt/main.cpp
+++ b/examples/mpt/main.cpp
@@ -6,6 +6,7 @@
 #include <cmath>
 #include <cstddef>
 #include <cstdio>
+#include <cstring>
 #include <fstream>
 #include <cinttypes>
 #include <map>