diff --git a/usr.bin/dtc/fdt.cc b/usr.bin/dtc/fdt.cc
index bdfd495a02d2..7f29bcea132e 100644
--- a/usr.bin/dtc/fdt.cc
+++ b/usr.bin/dtc/fdt.cc
@@ -38,6 +38,7 @@
 #include "dtb.hh"
 
 #include <algorithm>
+#include <limits>
 #include <sstream>
 
 #include <ctype.h>
diff --git a/usr.bin/dtc/input_buffer.cc b/usr.bin/dtc/input_buffer.cc
index 01ab483353c0..6487e0fa71d8 100644
--- a/usr.bin/dtc/input_buffer.cc
+++ b/usr.bin/dtc/input_buffer.cc
@@ -35,7 +35,6 @@
 #include "input_buffer.hh"
 #include <ctype.h>
 #include <errno.h>
-#include <limits.h>
 #include <stdint.h>
 #include <stdio.h>
 #include <stdlib.h>
@@ -44,6 +43,7 @@
 #ifndef NDEBUG
 #include <iostream>
 #endif
+#include <limits>
 
 
 #include <sys/stat.h>